I'm need protection print and save PDF file on web

Technical Support
1 
 Hi pdfjs Express team , I'm need protection print and save PDF file on web. This software protect or not and can use php language (No use framework) or not. 

 This software need connect internet alway or not. It's can use offline or not.

Best Regards,

2

Hey there,

PDF.js Express does not support offline usage as it needs to connect to our authentication server to verify your license key.

Feel free to check out our sister product, PDFTron WebViewer. It has the exact same API as Express but also supports offline mode.

Thank you!
Logan