PDF
Mall bundles the great barryvdh/laravel-dompdf to generate PDF files.
Refer to it's README for usage details.
PDFMaker Trait
Mall provides a PDFMaker trait that can be used to generate PDF files.
Currently, the Order and Wishlist models implement it by default.
Configuration
Mall exposes all of the original barryvdh/laravel-dompdf config entries in a separate configuration file.
If you wish to change the default PDF configuration create a config/offline/mall/pdf.php file and return your custom config.