Since credentials encrypted using the creators user profile, credentials cannot be shared between user. Each user should create and maintain their own set of credentials in Manage > Credentials.
Although most important settings like Scan\Deployment Templates, Agent Policies etc are the available to all users, but of the Tools > Options settings may be per user. Other than credentials, what other specific settings are not universal for your users?
The key one was the user credentials, which is a little annoying, but not the end of the world.
The option that seems not to have transferred was under Patch > Default Patch Scan template, I've created my own and set it as default, but has not transferred to other users,
Another odd one is the below, under Display > Language is set to Deutsch, when mine is set to English (United States):
Thanks in advance.