No, TidyStock does not have the ability to attach customers' POs to the order.
Have a look at similar frequently asked questions or visit our FAQs page for more information
How do I set up Tracking Categories in Xero?
What kind of reports does TidyStock run?
How do I account for freight and other service items in TidyStock?
Is there QR code generation/ reading support?
Can Tidy handle 4000+ items/costs in the cost center?