Purpletree Magento 2 RMA allows Customers to easily return the product from their account, as this functionality is not provided by Magento itself. Magento RMA (return merchandise authorization) allows customers and admin to easily manage the workflow of return items for products purchased by the customer.
There is also the functionality for Email and SMS notification which are sent to customers and admin on various events triggered in Purpletree Magento RMA extension. Like whenever customer raises Return request if u want an admin to receive notification regarding the same on email and SMS that can be easily managed from Purpletree Magento RMA Configuration process.