This is the documentation of JSU for Jira Server/Data Center. If you are using JSU on Jira Cloud, you can find the documentation here.
The 'User Is In Any Roles' will verify that the current user is in one (not all) of the specified project roles.
You must specify the roles that are the prerequisite for this transition, when configuring the check. For example:
For information on how to configure a check for a workflow transition in JIRA, see the JIRA documentation.
A workflow is configured so that the 'Resolve' transition has the 'User Is In Any Roles' check = 'SuperUser' project role only. A user viewing an issue in that workflow will not see the 'Resolve' transition unless he is having the 'SuperUser' project role.