Yes, you can add a PDF attachment while creating an invoice. To add an attachment, you need to follow the below steps.
- Click on the '+' sign to add an invoice
- Below the amount due section, there is an 'add attachment' option.
- Clicking on the attachment option, you need to select the file that you need to add.
- Click open to add an attachment.
- Click on save for creating an invoice with an attachment.