RBAC query to apply like-for-like primary administrator privileges on Solaris 11 server

We are looking to dismantle the sudo package from the physical servers running Solaris 11 for various reasons, and have looked at RBAC as the best alternative to maintaining the same sudo root privileges for our sysadmins.

While RBAC is beneficial in assigning limited administrative capabilities to many types of users, our user base are mainly system administrators would require root sudo-like privileges.

After applying roles to enable the test user to run commands as root, I was faced with 'permission denied' errors or able to run commands but with non-root outputs. Here is a start with what I did to the /etc/user_attr: