Do we need to apply any license to CA NFA either to install it or after installation?
Release: NFA 9.3.x or later
It is not required to apply any licenses explicitly to CA NFA either during install or after installation.
NFA will not check for explicitly applied licenses for operation.
It is trust based license.
You can go through below link for more information how licensing works in NFA
https://knowledge.broadcom.com/external/article?articleId=28434