(DOCS-9263) Add log archives note (#25767)

* (DOCS-9263) Add log archives note

* (DOCS-9263) Update casing

* (DOCS-9263) Add support step

* (DOCS-9267) Update US1-FED note

* Update aws-manual-setup.md

content/en/integrations/guide/aws-manual-setup.md

@@ -51,6 +51,12 @@ Use this guide to manually set up the Datadog [AWS Integration][1].
 
 To set up the AWS integration manually, create an IAM policy and IAM role in your AWS account, and configure the role with an AWS External ID generated in your Datadog account. This allows Datadog's AWS account to query AWS APIs on your behalf, and pull data into your Datadog account. The sections below detail the steps for creating each of these components, and then completing the setup in your Datadog account.
 
+{{< site-region region="gov" >}}
+<div class="alert alert-warning">
+  <em>Setting up S3 Log Archives using Role Delegation is currently in limited availability. Contact <a href="https://docs.datadoghq.com/help/">Datadog Support</a> to request this feature in your Datadog for Government account</em>.
+</div>
+{{< /site-region >}}
+
 ## Setup
 
 ### Generate an external ID

content/en/logs/log_configuration/archives.md

@@ -45,13 +45,12 @@ See how to [archive your logs with Observability Pipelines][4] if you want to ro
 {{% tab "AWS S3" %}}
 
 {{< site-region region="gov" >}}
-<div class="alert alert-warning">AWS Role Delegation is not supported on the Datadog for Government site. Access keys must be used.</div>
+<div class="alert alert-warning"><em>Setting up S3 Archives using Role Delegation is currently in limited availability. Contact <a href="https://docs.datadoghq.com/help/">Datadog Support</a> to request this feature in your Datadog for Government account</em>.</div>
 {{< /site-region >}}
 
 If not already configured, set up the [AWS integration][1] for the AWS account that holds your S3 bucket.
-
-* In the general case, this involves creating a role that Datadog can use to integrate with AWS S3.
-* Specifically for AWS GovCloud or China accounts, use access keys as an alternative to role delegation.
+   * In the general case, this involves creating a role that Datadog can use to integrate with AWS S3.
+   * Specifically for AWS China accounts, use access keys as an alternative to role delegation.
 
 [1]: /integrations/amazon_web_services/?tab=automaticcloudformation#setup
 {{% /tab %}}