docs(ingest/tableau): tweak permissions docs (#12460)

metadata-ingestion/docs/sources/tableau/tableau_pre.md

@@ -12,16 +12,15 @@ DataHub supports two authentication methods:
 1. Username/Password
 2. [Personal Access Token](https://help.tableau.com/current/pro/desktop/en-us/useracct.htm#create-and-revoke-personal-access-tokens)
 
-Either way, the user/token must have the **Site Administrator Explorer** site role.
+Either way, the user/token must have at least the **Site Administrator Explorer** site role.
 
 :::info
 
-We need the **Site Administrator Explorer** site role in order to get complete metadata from Tableau.
+We need at least the **Site Administrator Explorer** site role in order to get complete metadata from Tableau. Roles with higher privileges, like **Site Administrator Creator** or **Server Admin** also work.
 
 With any lower role, the Tableau Metadata API returns missing/partial metadata.
 This particularly affects data source fields and definitions, which impacts our ability to extract most columns and generate column lineage. Some table-level lineage is also impacted.
-
-Other site roles, including Site Administrator Creator and Viewer, are insufficient due to these limitations in the current Tableau Metadata API.
+Other site roles, like Viewer or Explorer, are insufficient due to these limitations in the current Tableau Metadata API.
 
 :::