Samsung Galaxy S7 Edge Root for Oreo is now available. This root method is only applicable for exynos based models. So please do not try it on S7 Edge Qualcomm mode (chines, T-mobile etc). During root all your data will be wiped , so make sure you have backed up everything.

Samsung Galaxy S7 Edge Root Oreo

Supported Models

• SM-G930F
• SM-G930S
• SM-G930L
• SM-G930K
• SM-G930W8

How to root:

• This root is only applicable on exynos chip
• Make backup of all your important data
• You must have sd card in your phone
• Enable oem unlock in developer options
• Download TWRP from THIS LINK
• Download root files from THIS LINK
• Extract Odin , and open it
• Copy “Magisk 16.4.zip” and “no-verity-opt-encrypt-6.0” on your sd card
• Power off phone, disconnect from pc, then hold volume down, home and power until blue screen appears and press volume up to enter download mode
• Connect phone with pc
• Now open Odin, go to options tab and tick out from auto reboot
• Then click on AP and select TWRP file and click on start
• Once TWRP flashed, disconnect phone from PC
• Hold volume+, home and power button, Keep holding until see TWRP
• Swipe to allow modifications
• Tap on wipe > advanced wipe > only tick in data > change partition type > select EXt2> Swipe to make changes
• Go back and now select EXT4 , then swipe to make changes
• Go back to main menu of TWRP , and tap on install
• Select “no-verity-opt-encrypt-6.0.zip ” copied on sd card, and swipe to install
• Go back to main menu then tap  Reboot > Recovery  and press do not install
• Phone should reboot to TWRP
• Now again tap on install select “Magisk-v16.4(1642).zip” copied on sd card, then swipe to install
• Reboot, 1st time it may take longer than usual.
• Install root checker to verify root access

Source: XDA