HR Specialists Encounter Blank Screen When Viewing Employee Identification Info in Redwood Pages

We've turned on the Redwood Personal Information pages, and as a result, HR Specialists are finding that when they try to look at other employees' "Identification Info," they’re greeted with a blank screen. They have no trouble seeing their own data via the "Me" section or "My Client Groups," but attempts to view others’ details lead to an empty display. What exact permissions are required to access other employees’ identification information within "My Client Groups"?