Licensing for Syncrify is based on a per-user bases. Therefore, it is important to understand what is meant by the term user.
A user in Syncrify corresponds to the individual who owns the file that is being backed up. Consider the following scenario.
You are the administrator in a company that has 10 employees.
You need to backup files belonging to these 10 users.
You need a 10 user license to use Syncrify in this case
You cannot use one user account to backup files for all 10 employee. This is not only a license violation but also a security risk since one individual will be able view/download files belonging to someone else.