It's unknown if they will tape matches there or not, they easily could.
I'm betting we at least get a highlights video on the pre-show or Wrestlemania Today.
In that cam footage of Balor and Itami's match you can see a WWE cameraman outside the ring, so I'm guessing we see footage in some form. It would be cool if we get some of it on the network, but if they start putting up too much NXT content it could burn people out. NXT is what it is right now because they leave you wanting more.