Yes, you can add unlimited users to the dashboard on a paid account. To do this, login to the dashboard and go to the profile area. There is a tab called users.
When a new user is added, they will receive an email with the login credentials and information on how to use the dashboard.
By default they will receive notifications when ever a report is submitted. They will have to login and adjust their settings to receive the reports that are important to them. There is more information within our alerts & notifications help desk page.