Any station logged into the same Location can view and refund and orders placed on any other device for that Location.
On the Orders page, tap on the All Orders in the left corner to show all orders.
The All Orders page will show all orders for that Location. You can browse through this list or tap the search icon to search the order ID.
The receipt will have both the daily order ID and the Unique order ID. If the order was placed on the same day, you could search the daily order ID. If the order was placed on a previous day, you would have to search unique order ID.
Tap on the order to view its details.