What If a soft copy is given to a vendor and he have been using it as colour hard copy even after its revision.
Kindly Clarify
Kindly Clarify
Best way would be to share it through your SRM, if possible or through sources such as dropbox, google drive, where you can remove old documents and replace it by new ones.
Another (less effective) way can be to share it through emails.
Supplier's system should address how they are going to control documents. You cannot do much about it. You can just audit document control / availability of latest documents shared by you with the supplier.