As a user, you could still edit an already submitted expense by using Recall button.
NOTE: This can only happen if the expense hasn't been approved yet. Also, the recall function is configurable, depending on your company's preference.
1. Check the expense status.
Go to Expenses > ALL EXPENSES, all expenses will appear in this tab regardless of the status.
You can also use the + Add Filter to view the Status or Expense Type.
2. Select the submitted expense > Click Recall on the top or Open the expense in question > Click Recall button.
3. A banner with "Expense recalled" will appear at the bottom of your screen and the expense will be tagged as Recalled.
4. Recalled expense/s will then be available under the "TO DO" list. Edit the necessary information.
5. Click Save or Submit.