If you are going to just need to "Clone" the Main PC display on several monitors, a different driver file is necessary than the standard one they send, make sure you tell them in your initial e-mail exactly how you are using the system in order to get the right driver (took me 3 days of going back and forth to get this straightened out.

With the correct driver we will be able to expand to 7 total displays with the exact same information running on them