Whether upgrade to Redwood is required if not subscribing HCM module?

Summary:

Whether upgrade to Redwood is required if not subscribing HCM module?

Content (please ensure you mask any confidential information):

Hi Experts,

I would like to reach out to you on whether upgrade to Redwood is required, if we are only using "Manage Job" page and "Data Loader" function during the steps to create user accounts, and they are the only function we use under "HCM" module's scope?

To use the data loader, we have a customized role with these privileges configured:

May I ask if we still need to upgrade to Redwood, so that we can keep creating user accounts?