Hello there, stefanie.
I recognize the importance of showing the discount column in purchase orders.
Currently, it isn't possible to customize purchase order in QuickBooks Online. As a workaround, we can add a miscellaneous or discount item and enter a negative amount on the second line. It will show a total of 0.00 when converted to a bill.
Here's how:
- Click + New, then select Purchase Order.
- Under the Item details, enter the product on the first line.
- For the second line, enter the discount or miscellaneous item.
- Click Save and close.
Afterward, you can now convert it to bill.
Additionally, you can check this guide to learn how to run purchase order reports to give you a summary of your purchase order.
If you have other concerns regarding purchase order, you can always click the Reply button. I'm just a reply away. Keep safe and have a good one.