You have asked about two sites that both require login before one can get to the spots you're asking about. Although I'd presume someone here has worked with LinkedIn, the same is not necessarily true of sprintip.com.
You can make no presumptions about what NVDA can or can't do that JAWS might or might not be able to do based upon a lack of response. All you know is that no one here can answer your question, at least at this point in time.
Brian - Windows 10 Pro, 64-Bit, Version 1903, Build 18362
The color of truth is grey.
~ André Gide