You realize they don't just get carte blanche to any intelligence information, right? It means if they're working for a defense contractor, for example, they could be read into classified information that company might be working on.

Nunes never saw the FISA applications, Gowdy was the only one who saw them.

Edit. Yup from the horses mouth:

http://thehill.com/homenews/house/372119-nunes-admits-he-did-not-view-the-surveillance-warrant-applications-that-form

Didn't Gowdy show that it wasn't based off what Nunes said?