How to Add or Remove a User from Approval Routing

Goal:

Go to Settings
Select Manage Approval Routing.
Select either the Request, Bills or Payments tab on the left-hand side
Choose the applicable Approval Routing Group
Then, select the orange Add User to Group or Add Approver on the far right side of the page.
Select the Level, select the Approver, and enter a threshold if necessary.
Finally, select Add.

Go to Settings
Select Manage Approval Routing.
Select either the Request, Bills or Payments tab on the left-hand side
Choose the applicable Approval Routing Group
Scroll down and review Approvers listed under Approver Levels
Locate the applicable Approver, and select the X available on the right-hand side of the user's name

Only users with Manage Approval Routing permission will be able to do the steps below.
Make sure that the user you are about to set up already has access to the location(s) and department(s) you intend to add from.
If you have turned on Standalone approval routing for Expense, you can follow the same steps but remember to go to the Expense tab.
Approval Routing Overview