1. Configure leave setting
   • Go to leave application.
   • From the menu, go to Settings > Leave Setting.
   • I would recommend disabling leave request by preventing the user apply for leave while you are setting up the system. After disabling leave request, you can set up the Leave Cut Off, Approval Method and Future Request setting by referring this article - Understand leave setting.
2. Configure leave policy
   • Go to leave application.
   • From the menu, go to Settings > Leave Setting.
   • By the default, the system comes with pre-define leave policy. You can update, add or remove the leave policy by referring this article - How to add a leave policy? 
   • Once you have set up the leave policy, you can start to add employee into the system. The leave profile automatically created based on employee's gender and marital status that has configured in the leave policy.
3. Add company holidays
   • Go to leave application.
   • From the menu, go to Calendar.
   • You can add holiday by referring to this article - How to set up the company's holidays based on the office? 
4. Update employee's leave balance
   • Go to leave application.
   • From the menu, go to Reports> Leave Profile Details.
   • Select the employee and click on "Generate Report.
   • From the report, you can delete or adjust the leave balance.
   • In case you need you to add leave profile to the employee, you can refer to this article - How to add leave profile to an employee?