Here’s how to send invoices : Go to Orders. Click the three-dot actions menu icon & select Send batch invoices (only 9b orders). Then you’ll able see all 9b orders & then press Send button.
Here’s how to update order stage: Go to Orders. Click the three-dot actions menu icon & select Move Stage Order. Then select orders you want to update order stage by ticking on tick boxes. Scroll down & find Order stage drop down with save button. Then select order stage & click Save.