Please check the pricing page for information on available plans and their costs.
Controlio licenses apply for concurrent user sessions (users with clients installed).
A license is considered to be in use when the user is logged in to a monitored PC, and the Client is connected to the Controlio servers in parallel.
Additionally, you may want to learn about freeing & moving subscription licenses.
P.S. Dashboard Admins/Managers/Employees are not licensed.