Question:

How to send a document as a Link to a non-Vault user in PromoMats?

Answer:

View User Information permission is needed. 

To send a link to a non-Vault user:

1. Select Send as Link from the All Actions menu.
   
   
   
   
2. Type the recipient's email in the Add Recipients box and click Enter:
   
   
   
   
3. Enable (check) the box Allow non-Vault users to download viewable rendition.
   
4. Choose an expiration date for the link.  This determines the time in which the link is live.
5. (Optional) Type a message and click Send. 

Related Documentation:

Vault Help Documentation: How to Send as Link