I've recently given 2 of my vendors a vendor access account so that they can see up to date Purchase orders whenever they need to, and so that our purchasing manager doesn't have to spend time generating an excel report to send them for Jobs in production..

The first thing that both vendors said was "Is there a way we can edit the Memo or comments of a Purchase Order so they can let us know throughout the week what stage they are at?

The simple answer would be to say "Yes", You can edit the whole Purchase order vendor A!, once I change your privileges to EDIT P/O.....But...