You need to be assigned in the group of Simplicity Manager to be able to approve leave request.
Go to Human Resources -> Leaves -> Allocation Requests to Approve then click on any record that is at "To Approve" stage. See screenshot below.
Notice that there is a default filter "To Approve By Me" for the list, which will only show you the allocation request(s) that is to be approved by you. You may remove the filter to see all allocation requests that needs approval regardless of who to approve. If you have the access rights of HR Manager, remove the filter to see all allocation requests so you may help to approve for any unreachable approver. For more details on the rights for request approval, read Request Approval Rights.
Depending on whether the leave type has "Apply Double Validation" activated, there might be another approver to Validate to final approve this allocation request.
If you are the first or final approver, you will either or this allocation request.
If you are the second or final approver, you will either or this allocation request.
The request will be terminated immediately whenever any approver the request at any stage.
Please try to give a substantial answer. If you wanted to comment on the question or answer, just use the commenting tool. Please remember that you can always revise your answers - no need to answer the same question twice. Also, please don't forget to vote - it really helps to select the best questions and answers!