[MLOB-2995] Update LLMO Evaluations doc with BYOK token dashboard (#30048)

* link to BYOK dashbaord

* nit

* rephrase

* nit

Author: gsvigruha

content/en/llm_observability/evaluations/ootb_evaluations.md

@@ -23,7 +23,7 @@ LLM Observability out-of-the-box evaluations leverage LLMs. To connect your LLM
 
 ## Connect your LLM provider account
 
-Configure the LLM provider you would like to use for bring-your-own-key evaluations. You only have to complete this step once.
+Configure the LLM provider you would like to use for bring-your-own-key (BYOK) evaluations. You only have to complete this step once.
 
 {{< tabs >}}
 {{% tab "OpenAI" %}}
@@ -110,7 +110,9 @@ After you click **Save**, LLM Observability uses the LLM account you connected t
 
 ### Estimated token usage
 
-LLM Observability provides metrics to help you monitor and manage the token usage associated with evaluations that power LLM Observability. The following metrics allow you to track the LLM resources consumed to power evaluations:
+You can monitor the token usage of your BYOK out-of-the-box evaluations using [this dashboard][7].
+
+If you need more details, the following metrics allow you to track the LLM resources consumed to power evaluations:
 
 
 - `ml_obs.estimated_usage.llm.input.tokens`
@@ -285,4 +287,5 @@ This check ensures that sensitive information is handled appropriately and secur
 [4]: /security/sensitive_data_scanner/
 [5]: https://docs.datadoghq.com/api/latest/ip-ranges/
 [6]: https://docs.datadoghq.com/llm_observability/setup/sdk/
+[7]: https://app.datadoghq.com/dash/integration/llm_byok_token_usage