Yes, you can create WhatsApp messages to send approval notifications that are required for certain processes in the CRM.
Approval notifications tell the receiver whether a request submitted was approved or rejected.
For example, one of your salespersons has submitted a Quote with a considerable discount for approval and has sent it via WhatsApp for approval. As a Manager, you can send a reply via WhatsApp, saying the discount cannot be approved.
To know more about Approvals, click here.