I've read some articles about adding users to the "SharePoint_Shell_Access" role in SQL Server to enable SP Admin PowerShell commands etc, but I'm curious to understand what it enables or grants permission to in SQL server when a user is added to that role. For example if I view the SharePoint_Shell_Access role on the SP Config database and look under "Securables" its blank. I don't mind that this has to be done but I'd like to understand whats going on behind the scenes.
Thanks.