For Video Acquisition - Because you need the USB ports, using the Surface Book as a tablet takes a little creativity. But, if you detach the tablet from the keyboard, turn it around, reattach it, and close it up - this is a little awkward because of the extra protective case - you can use the stylus and onscreen keyboard to acquire data.
For Motion Amplification® - You can detach the tablet and use the Motion Amplification® software. Here again, use the stylus and onscreen keyboard as necessary.
Microsoft Surface Book 2 Update (released about Nov 2017)
The stylus is no longer standard with the Surface Book 2 according to Microsoft.