The Customer Experience can be handled by using the below sections.
The Customer Service section, specifically:
The Ticket Management: to create and reply to customers' emails
The Customer Lookup: Look for a customer and his/her order(s)
The Address Verification, which enables users to easily spot and take action quickly on any orders that have an incomplete or incorrect shipping address
Orders: to look for any order
Disputes: to handle any PayPal dispute opened by customers
Moreover, the below sections enable users to create new orders or charge upsell orders for customers while on a call with them: