SSH Access (root)

To obtain root SSH access on your cPanel server you only need to allow the user account you used in the section SSH Access the ability to switch user, after which you can use the SSH Access to switch to the root user

Login to your WHM panel

Go to Security -> Manage Wheel Group Users and make sure your user is in the Wheel group (this group defines who is able to use su command)

Now you should be able to login with user assigned to wheel group using ssh and once you are in, you can login as root using command:

su - root