All HR-specific permissions are in the Employees group of a role/profile:

• List / Edit Employees – Employees list and employee form.
• List / Edit Employees Profiles – Employee Profiles.
• List / Edit Employees Job Roles, List / Edit Employees Job Departments – Roles and Departments.
• List / Edit Employees Schedule – view vs create/edit/remove shifts.
• List / Edit Employees Timesheets – view timesheets vs add/edit/delete timecards.
• List Employees Settings – the break-rules Settings page.
• List / Edit Employees Shift Requests – view vs create/fill/delete open shifts.
• Sign Up for Shift Requests – lets employees use Available Shifts.
• Show Employees Logs – the Logs page.

A few related controls live in other permission groups: Edit Users - User Roles (Users group) shows the Permissions Role dropdown on an employee's record; Create Events Proposals (Business Settings group) and Edit Accounting Transactions (Accounting group) govern Employee Tasks.