Stay legal. 
Permissible use is like a book.  One licensed copy may be viewed and studied by
one person at one time.

Should you need to have more than one (1) person to view the manual at the same time,  you should get a license for the number of users needed OR get a site license.

After you have a single registered copy, you qualify for bulk licensing:

Additional license or site licensing are available at low cost.

 Contact Support@EZdesk.com with your needs