Please see isRosa flag usage in:

Cluster Settings -> Machine pool

https://gitlab.cee.redhat.com/service/uhc-portal/blob/main/src/components/clusters/CreateOSDPage/CreateOSDForm/FormSections/ScaleSection/AutoScaleSection/AutoScaleSection.jsx#L245-245

• The 'Learn more..' links around the 'Enable Autoscaling' checkbox should go Rosa documentation.
• Investigate creating an external document component which would take in the doc url instead of duplicating IF THEN code