General questions

Is it necessary to have a dedicated server for software suite?
Yes, it is needed. Although downtime in its performance is possible. In the rest time it must be always plugged in (or at least during employees' works).
It may also be administrator's computer if dedicated is not available.

Does the program violate human rights?
No, it doesn't. Open surveillience mode with push message to the user is available in the program and turned on by default. In this push message you can notify the user that he or she is monitored.