The number of users in the system is not based on your organizations revenue/employee size.
OnStrategy does not have a read only access for users. If you want a user to access the system they will need a user license (log-in ID and password).
The number of users should be determined by who you want have access to:
- Be part of the planning team and collaborating on the development of the plan
- Who you want to assign goals to, so that they can track their progress and run reports