Which permissions can group admins manage?

The correct option highlights the responsibilities of group admins, specifically allowing them to manage access to datasets and portable models for their designated user group. This role is crucial because it enables group admins to ensure that members have the necessary permissions to access the appropriate resources required for their tasks. By managing access, group admins can maintain data security and integrity while facilitating usability for group members.

On the other hand, the other choices involve permissions that typically require higher-level administrative capabilities. Creating new groups and managing entire environment settings generally falls under the purview of super admins, who have the capability to oversee broader aspects of the system. Meanwhile, the action of removing super admin privileges is a function that would usually only be executable by a super admin themselves, emphasizing the hierarchical nature of permissions within management roles. These distinctions highlight the focused capabilities of group admins, reinforcing choice B as the accurate selection.