Update m365-lighthouse-overview-of-permissions.md

Started updating topic, per Task 8685543.

Author: SKjerland

microsoft-365/lighthouse/m365-lighthouse-overview-of-permissions.md

@@ -34,16 +34,28 @@ To use Lighthouse, you need a combination of roles assigned via RBAC and GDAP.
 
 ## Managing Lighthouse RBAC permissions in the partner tenant
 
-Lighthouse permissions in the partner tenant are managed by assigning RBAC roles. Each role has a set of permissions that determines which data users can access and change within the partner tenant.  
+Lighthouse permissions in the partner tenant are managed by assigning RBAC roles. Each role has a set of permissions that determines which data users can access and change within the partner tenant. Administrators in Lighthouse should use a combination of RBAC and GDAP to provide least-privileged access to data based on the tasks each user needs to perform.   
 
-RBAC roles are managed from the Lighthouse permissions page in Lighthouse. To access the Lighthouse permissions page and manage permissions, you must be a Global Administrator in Microsoft Entra ID. To learn more, see [Manage Lighthouse RBAC permissions in Microsoft 365 Lighthouse](m365-lighthouse-manage-lighthouse-rbac-permissions.md).
+RBAC roles are managed from the Lighthouse permissions page in Lighthouse. To access the Lighthouse permissions page and manage permissions, you must have one of the following roles:
 
-There's currently only one Lighthouse RBAC role: Lighthouse Account Manager. The following table describes the Lighthouse Account Manager role.
+- Global Administrator in Microsoft Entra ID
+- Lighthouse Administrator in Microsoft 365 Lighthouse
 
-| Lighthouse RBAC role | Description |
+To learn more, see [Manage Lighthouse RBAC permissions in Microsoft 365 Lighthouse](m365-lighthouse-manage-lighthouse-rbac-permissions.md).
+
+The following table provides an overview of the different RBAC roles. For a list of actions each role can perform in the partner tenant, see [Lighthouse RBAC roles and capabilities](#lighthouse-rbac-roles-and-capabilities). 
+
+| Lighthouse RBAC role | Overview |
 |---|---|
+| Lighthouse Administrator | Text |
+| Lighthouse Operator | Text |
+| Lighthouse Reader | Text |
 | Lighthouse Account Manager | Provides full access to Sales Advisor pages and data across the entire partner tenant. Lighthouse Account Managers can export Sales Advisor data. |
 
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 ## Lighthouse RBAC roles and capabilities
 
 The following table describes the actions that Lighthouse Account Managers can perform in Lighthouse.