WooCommerce PDF Invoices and Packing Slips helps you create and add PDF invoices directly into the order confirmation details. It includes basic templates and you can also customize your own with the help of a developer. Its HTML/CSS based templates give you complete control over the PDF output such as the header, footer, logo size, paper size, and much more. Moreover, you can find more advanced templates at WP Overnight with tax details and thumbnail support.