Oracle Communicate- Clarification Required: Does it require additional license?

Summary:

Hi Everyone- Our client is interested in implementing Oracle HCM Communicate, so we just wanted to confirm if it is a separately sold product and require additional license like Touchpoints or it can be implemented as a out of box feature? Any help with the clarification will be appreciated!

It is mentioned in the implementation guide that we need subscription to Fusion HCM Communicated Cloud Service:

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