If Approve module is on
By appointing an employee as a default approver, you can ensure that all expenses that do not activate any approval rule are always sent for approval by one selected employee.
The default approver can be selected by first opening Workflow from the side menu and then selecting the desired employee as the default approver:
If Approve module is off
If you have turned off the Approve module (under Settings> Subscription and Modules> Subscription ) and thus have no ability to set up authentication rules, you'll be able to select the default approver under Settings> Advanced> Authentication . The selected employee will thus be appointed to approve all expenses: