Looks like the Pro8 does not work with Surface 3 if connected through the Micro USB charging port of the Surface 3. Connecting through the regular USB 3.0 port works, but of course doesn’t charge the Surface 3. Connecting to the Micro USB charging port of the Surface 3 charges the device, but no other functionality are working.
I thought that the Surface 3 charging port also functions as a data port. Not sure if this is a design issue with the Surface or if I am doing something wrong.