Prospr At Work is better when you invite the entire team. To add new team members to Prospr, you must be either an Admin or Manager user. Find your Settings in the left-hand menu, then click User
On the Settings page, click Users, then click + in the top right of the page. In the popup, enter the Full name and Email address of the user, choose the Account Type, and click Send Invite.
Watch this short video to see how it's done.