Candidate Relationship Management configuration can be done by the customer.
Provisioning: Enable the following settings under Company Settings. Note that it is quite likely that these settings are already enabled in your customer’s environment.
Enable Generic Objects - requires "Enable the Attachment Manager"
Role-based Permission - This will disable Administrative Domains)
Career Site Builder: Enable Candidate Relationship Management from Settings → Site Configuration → Site Information.
From the Upgrade Center (from within Admin Center), enable the following:
Candidate Relationship Management Talent Pools
Candidate Relationship Management Email Campaigns