To notify an approver when submitted reports are nearing its due date:
- Click on the Settings section on the left sidebar and click on the Reports tab present under the Preferences section.
- Under the Approval Preference section, check the option ‘Notify approver when submitted reports are nearing their due dates.'
- Click Save for the changes to take effect.
Note: Make sure that you also check the ‘Make reports due for approval within “n” days of submission’ option to make this notification work.