In Magento there is not any functionality to create invoices and shipment invoice automatically. So admin needs to can create invoices and shipment invoice manually. And this process takes more time, when a store has several orders. Auto Invoice and Shipment Magento2 extension generate automatically with full information of invoice and shipment process.
Magento2 extension Auto Invoice and Shipment helps to make fastest order processing, and customers get a confirmation email to automatically send invoices and shipment. Therefore, customers can satisfy with your store’s automatic and quick order process and it’s specially use for offline payment methods.