Explanation
Box 1 = Compliance Administrator
the role group that you should add User1 to is:
The Compliance Administrator role group grants permissions to manage compliance features in Microsoft
365, such as content search, audit log search, eDiscovery cases, and data loss prevention policies1. Members of this role group can also search all mailboxes and purge email from all mailboxes using Security & Compliance PowerShell23. This role group uses the principle of least privilege by not granting permissions to manage other features or settings in Microsoft 3651.
Box 2 = Microsoft Purview compliance portal1. The Microsoft Purview compliance portal is a web-based portal that allows you to manage compliance features in Microsoft 365, such as content search, audit log search, eDiscovery cases, and data loss prevention policies1. You can use this portal to search all mailboxes and purge email from all mailboxes using Security & Compliance PowerShell23. You need to have the appropriate permissions to perform these tasks2