As an Admin, you can choose to deactivate mileage expenses. Then, users will not be able to create and submit mileage expenses. They will not be given the option, as you can see in the image below.
How to configure this as an Admin:
1. Go to Admin settings.
2. Go to Advanced settings page.
3. Check or uncheck the right checkbox and don't forget to save.
- Checked: users cannot create and submit mileage expenses
- Unchecked: users can create and submit mileage expenses