What is a Vendor? Do I need to enter Vendors? PPS v4.0.27
If you're buying and repacking finished goods products, you'll note the vendor when create case labels. Vendors allows you to use a drop down. If you're buying finished goods, enter your vendors here.
You can find the Vendors page under Settings > Manage Data > Vendors.
Manage Vendors in the Settings dropdown
Vendor dropdown when creating case labels