Yes. Click the email icon to send the purchase order to your supplier. You can also edit the email content and set default email templates.
Emailing an order will also include the Purchase Order PDF and external attachments.
Yes. Go to Settings → Templates → Emails → Orders → Purchase Order and configure your email details.
You can also edit the email directly before sending it to your supplier.
Yes. Set a default Purchase Order Email template per contact in the Contacts settings.