Yes, they can.
Have a look at similar frequently asked questions or visit our FAQs page for more information
Can I add materials to a purchase order after it has been closed/received?
Which ways does TidyStock connect to Xero?
Can the API be used to retrieve the Payroll Export report in Tidy?
Can I receive a notification on the home screen when a purchase order has been sent?
What happens to my inventory value in Xero?