It’s not a fully fledged editor like DaVinci Resolve or Lightworks - don’t expect Hollywood-level editing tools, features, and effects here. You can only export movies to MP4 and GIF for a start.
For the export, using the Movie Render Queue ... Importing the image sequence to DaVinci Resolve [Studio] we need to correct for the Linear image provided by Unreal. Initially, the image is ...