I tried this method but it doesn't work?
www.guidetoroot.com
This step doesn't work, there is not OEM Unlock option?

How to Root Samsung Galaxy A32 – Step-by-Step Guide!
Today in this article, I have come up with a detailed Step-by-step guide on how to Root Samsung Galaxy A32. So Hello, guys how are you? I hope you are

This step doesn't work, there is not OEM Unlock option?
Now you have to open the settings again, and enable OEM unlock and USB debugging .To do this (Go to Settings → Developer Options and enable the ”OEM Unlock”