Root for G930F on 7.0 with TWRP: (FRP: OFF) WARNING: This will wipe your device, backup your data
Put your phone into download mode and run Odin Untick auto-reboot... Flash TWRP Recovery:
twrp-3.2.0-0-herolte.img.tar
After flashing TWRP, boot into recovery.. From wipe select Format Data... type yes and after wipe go back (keep hitting back icon) to Main Menu and select reboot, reboot to recovery..
After reboot browse to install and flash Supersu 2.82 (you can use SD-Card or OTG cable or ADB Push Command):
SuperSU-v2.82-201705271822.zip
Reboot your device... this will take up to 5 minutes
PS: Wipe data is a MUST because when you swipe TWRP it will trigger dm-verity, and if you don't wipe you will be unable to boot