You can send a signature request for a purchase order in Moon Invoice easily by following the steps below.

1. Open the Moon Invoice application on your device or tap on this link.
2. From the main menu on your left, go to Purchases ➜ Purchase Orders.
3. Click the ‘+’ icon to create a new purchase order or select an existing one.
4. On the right-hand side, click the three-dot icon (⋮) and choose Signature Request.
5. When the pop-up appears, fill in the required details, then click Send to request a signature for the received purchase order.