In fact proprietary binaries will be much easier to run since you don't have to do with non-reproducible builds in some source repo/build system.
Have you considered reading the manual? NixOS is not for you if you don't want to spend time learning the basics.
I have run xilinx vivado inside FHS within 15mins. Mostly figuring what libraries are needed for all binaries.
https://nixos.org/manual/nixpkgs/stable/#sec-fhs-environment...