"Hi, we have miniDV tapes on cameras where the firewire connection no longer works.  Will your video adaptors help get the content off the tapes and into Premiere Pro and other editing software?"

Yes, the video adaptor comes with video editing software. Your cameras can output the miniDV tape content to the device and using the bundled editing software you can download the footage and edit the content. You could also use the software to simply save the file, then open the files with Premiere or other video editors to do your editing. Premiere pro is likely to even detect the device and you could then capture directly into Premiere pro.