To invite external users as external supply chain organization (client, partner, vendor, and subcontractor organizations) go to “Administration” > “Manage External Organizations” section.

1. In the Manage External Organization page, click on the "Invite Organization" button.
   

2. Enter the primary point of contact email address. Optionally enter a custom message and click “Send invite”.
   

Note, it is important that you make sure that the user you are inviting purchases their own license to use the system after invitation acceptance.