Can PDF files contain multimedia components and use the Flip PDF software?

You can add background music to e-book and flipping sound with Flip PDF.

More details follow steps below:
Add flipping sound
1. On option box "Design Setting", select "Sound-->Enable Sound";
2. Check it "Enable";
3. Don't forget to click button "Apply Change".

Add background music for fliping book
1. On option box "Design Setting", select "Sound-->Sound File";
2. Click blank behind it to browse a music file;
3. Set looping times, number -1 means infinite looping times, number greater than 0 stands for looping times.
4. Click button "Apply Change".