Yes. WaveVisual supports transparent-background video when you export as MOV (QuickTime). The file uses QuickTime Animation (qtrle) encoding with an alpha channel, so transparent areas in your design stay transparent in apps like CapCut, Premiere Pro, Final Cut Pro, and DaVinci Resolve.
MP4 and GIF exports are aimed at playback on the web and social platforms and do not preserve an alpha channel. WebM can keep transparency in some browsers, but CapCut and other NLEs don't reliably read WebM alpha—if you need to layer your waveform over other footage in a video editor, choose MOV.
.mov file into your editor as an overlay track.For a broader overview of motion exports, see Can I download the sound wave animation as a video? in this help center, and our blog posts Understanding Video Export and Your sound, in motion.