You can add Visual Survey Pro add-on to your subscription as an add-on from the Subscriptions page.
From the Subscription page.
Click on Change product, users or storage.
Under the Add-ons section, tick Visual Survey Pro.
Add the number of users
Enter the number of users you want to give VSP access to.
The number of users will be added to your subscription.
Click on the ‘+’ icon.
Click ‘+ Add’ in the sidebar to add the staff member you want to give VSP access to. You can add as many staff members as indicated by the number of users attached to your subscription.