Update

Author: Steve Danielson

docs/managed-devops-pools/prerequisites.md

@@ -258,6 +258,9 @@ To check your agent pools permissions at the organization level:
 
 You must have Project level agent pools **Administrator** or **Creator** permissions for each project in which you want to make your Managed DevOps Pool available to pipelines.
 
+  * If you create your Managed DevOps Pool with **Add pool to all projects** set to **Yes**, Managed DevOps Pools will configure the pool to be available in all projects for which you have the **Administrator** or **Creator** permission, and skip any projects where you don't permission.
+  * If you provide a list of projects when creating your Managed DevOps Pool, you must have the **Administrator** or **Creator** permission for each of those projects or else pool creation will fail.
+
 You can be directly assigned the **Administrator** or **Creator** role by a [Project Collection Administrator](../organizations/security/look-up-project-collection-administrators.md), a [Project administrator](../organizations/security/change-organization-collection-level-permissions.md#add-members-to-the-project-administrators-group), or another **Project-level agent pools administrator**. You are granted the **Administrator** role automatically if you are a [Project Collection Administrator](../organizations/security/look-up-project-collection-administrators.md) or [Project administrator](../organizations/security/change-organization-collection-level-permissions.md#add-members-to-the-project-administrators-group).
 
 To check your agent pools permissions at the project level: