You are looking for ways !!! Thankfully, Foxit Reader supports the attachment feature, but not everyone knows how to use this feature! So please refer to the tutorial on attaching files to a PDF file: ...

Above is the guide to add audio files to PDF files through Foxit Reader, although the simple but quite convenient method in lectures or tutorials, can help you convey knowledge, receive knowledge. The ...

This is a free and popular PDF Reader software. Foxit PDF Reader also comes with a paid version but the free version also offers good features. It provides a free trial of the paid version for up ...