The document discusses how Last Mile Delivery sellers on Paytm Mall can process orders with multiple items that require multiple shipments. It provides steps for identifying multi-item orders, acknowledging each item, downloading packing slips for each item, entering courier details to generate a manifest, and getting the order picked up. Sellers can view the status of shipped and delivered orders and download duplicate copies of packing slips or manifests from the To Handover tab if needed.