AIP - Labeling documents in SharePoint

Maverick1655 About the labels for groups and sites: you have to turn it on for your tenant using PS:

Use sensitivity labels with Microsoft Teams, Microsoft 365 groups, and SharePoint sites - Microsoft 365 Compliance | Microsoft Docs

and 

Assign sensitivity labels to groups - Azure AD | Microsoft Docs

About the automatic labeling: Consider migration to UL and publish your labels to your users. You can apply a default label, or use MCAS for your auto-labeling. Integrate Azure Information Protection with Cloud App Security | Microsoft Docs