Employees -> Expense Administration. Also, Managers can view and approve or reject subordinate expenses under the same module.
Finance -> Expenses->Add New
In addition to this, you can request your employees to attach proofs here. For example, they can attach a receipt of the expense.
In order to enable multi-level approval for the employee expenses;
You can click on the notification to proceed. If not,
Expense: Pre-Approve Expensesis set to Yes (change the value to 1), all new expenses will be approved automatically
Admin -> Reportsby specifying a date range.