Standard TeamViewer (even with a commercial license) does not have a literal “exclusive client” product. You’d configure this via:
If you are an IT consultant managing 5 servers, you must buy a license. Attempting to use the free version as an exclusive client violates the EULA and will result in a permanent ID block. teamviewer full exclusive client
Experiment with "Host" vs "Full" modules for specific use cases. Standard TeamViewer (even with a commercial license) does
An MSP supports 50 different small businesses. They cannot ask every employee at every client site to read out an ID and password daily. teamviewer full exclusive client
While the software is the "Full Client," its unlocked features depend on your license. Windows download - TeamViewer
This is the most critical financial caveat.