This forum is for Digital Publishing Suite questions. If your question is about InDesign generated PDFs please post in the InDesign forum.
Moved to the InDesign forum.
Here is a workaround I posted a couple years ago for a two-function button which might help you:
I don't believe your second request is possible.
Setting buttons to open up other files is extremely tricky and hard to set up because the file hierarchy must be maintained. It works best if all the files can always be in the same folder.
And MSOs are not supported in PDF.
Thank you Steve, your tutorial was a great help!
Still working on a work around for video and opening files issues