1. Go to Settings > Company Settings menu
2. Go to Teams tab
3. Select the team and go to Members tab
4. Search for employee’s name and click Add Member button
5. Assign the shift this employee belongs, edit the Role and Permission
6. Assign role “Manager” to an employee if he is allowed to Approve Leave or Overtime Requests (Note: You have to change his Level Permission to Manager to enable the Request Approval menu)