If there are expenses that have been submitted, you can remind your approver that there are expenses waiting to be approved. An email reminder will then be sent to your approver.
This article explains how to remind the approver.
1. Go to the Expenses page.
2. Navigate to the All expenses tab.
3. Select the expense you want to send a reminder for.
4. Select Send reminder from the Actions drop-down menu.
NOTE: You can also send a reminder for multiple expenses at once.