You are welcome.
1) Yes, you can. You can use either video for the row background http://prntscr.com/q5j2x2 if you plan any text over the video or use Video player WPBakery element if you just want to add embed video to your page http://prntscr.com/q5j3fs
2) Clear browser cache. We don’t see any issues with icons http://prntscr.com/q5j20a
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.