We have seen how to create the Leave type, allocate leave to the employees' by Employee tags, and check the leave summary and apply for the leave. The manager may approve or reject the leave. This is a standard feature of the leave application.
There are other features available in the Odoo leave application, such as double validation of the leave request, allow employees' to take more than allowed leave by allowing them to override the limit, and link the leave request with the global calendar. Let's see how to configure these features in the Leave application.