This screen allows you to see loader logs for a loader group. You need READ on the group and the ability to see the loader tab (see Grouper loader on UI for details). This is in v2.3.0 ui patch #17.
Access the loader logs screen
To see this screen, select the Grouper loader tab under "More" on a group screen. Then
Then select "View loader logs" in the "Loader actions" button.