Hi Mitzie,
Thank you for your interests in TeamViewer
Technically TeamViewer can meet your requirements. Business license may be suitable for you. For price, please check here.
However, TeamViewer is designed for controlling computers remotely, not just monitoring and not for snooping . So there might be some questions for you:
Hope this can help you make your decision and contact our sales team to find a solution for you.
Hope these information can help you make the decision.