Manuals
To download the complete Vendor Relations Manual, all you need to do is click the above "Vendor Relations Manual" link, and print each of the sections found within this link. The other 2 manuals listed, i.e. "Technological Requirements" & "Routing Instructions", are only for those vendors who need just those sections of the Vendor Relations Manual- and not the entire manual.
If you are in doubt as to which you need- download the entire Vendor Relations Manual.