For employees marked as supervisors there is an extra section in the main menu called Employees.Its roles is to provide detailed information about employees leaves requests, used days and allowances in one place. From there new employees can be added and information about existing employees edited and reviewed.
Employees tab screenshot with arrows pointing to main features
One  click on any employee will give you access to hie/her details. In General details you can view, edit or deleted employees
Employee general details tab screenshot
In Schedule section you can view company wide schedule or create a tailored one for chosen employee.
Employee schedule tab screenshot
In Calendar section you have access to employee calendar.
Employee calendar tab screenshot
In the section Absences supervisor can customised the allowances for the chosen employee, like add time in lieu, carry over days, see the detailed allowance breakdown, used days, and all leave requests and their status.
Employee Absences tab screenshot