Where can I find completed POS sales and payment receipts in my Shopware Admin?

You can find your POS sales like all other orders in your Shopware Admin under Orders → Overview. You can identify POS sales, for example, by the stored default customer account or by filtering the list by your POS Sales Channel.

In the order details, under the Documents tab, you can view the associated order documents, i.e. the receipt or invoice. Alternatively, you can view all past sales in the POS App via the app menu under the sales history and reprint the receipt from there.