261393-ug: Updated the missing features in overview content.

Author: sameerkhan001

Document-Processing/PDF/PDF-Library/NET/Overview.md

@@ -36,6 +36,19 @@ The following list shows the key features available in the Essential<sup>&reg;</
 * Support to [hyperlinks](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-hyperlinks) for web navigation and document navigation.
 * Support to [insert](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-bookmarks#inserting-bookmarks-in-an-existing-pdf), [remove](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-bookmarks#removing-bookmarks-from-an-existing-pdf), and [modify](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-bookmarks#modifying-the-bookmarks) bookmarks.
 * Support to layers. [Add](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-layers#adding-layers-in-a-pdf-document), [remove](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-layers#removing-layers-from-an-existing-pdf-document), and [flatten](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-layers#flattening-the-layers-in-an-existing-pdf-document) the layers.
+* Support to embed and manage [rich media content](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-annotations#rich-media-annotation) such as audio and video.
+* Support to embed and execute [JavaScript](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-javascript) within PDF documents.
+* Support to create and manage PDF [portfolios](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-portfolio).
+* Support to draw text using different [fonts](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-text?cs-save-lang=1&cs-lang=vb#drawing-text-using-different-fonts).
+* Support to integrate with [cloud storage services](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/save-pdf-files/to-google-cloud-storage) like OneDrive, Google Drive, and Dropbox.
+* Support to convert [images into PDF](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/converting-images-to-pdf) documents.
+* Support to embed and interact with [3D models](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-annotations#3d-annotation).
+* Support to apply and manage [brushes for drawing and styling graphical](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-brushes) elements in PDF documents.
+* Support to arrange content using [flow layout](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-flow-layout) for dynamic and responsive PDF document design.
+* Support to extract [text](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-text-extraction) and [images](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-image-extraction) from PDF documents.
+* Support to create and apply [PDF templates](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-pdf-templates) for consistent document layout and design.
+* Support to add, customize, and manage [headers and footers](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-headers-and-footers) in PDF documents.
+* Support to manage [color spaces](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-colorspace) and edit document [metadata](https://help.syncfusion.com/document-processing/pdf/pdf-library/net/working-with-metadata).
 * Support for .NET Standard 2.0 onwards.
 
 N> 1. Starting with v20.1.0.x, if you reference Syncfusion<sup>&reg;</sup> HTML converter or OCR processor assemblies from trial setup or from the NuGet feed, you also have to include a license key in your projects. Please refer to this [link](https://help.syncfusion.com/common/essential-studio/licensing/overview) to know about registering Syncfusion<sup>&reg;</sup> license key in your application to use our components.