If you are looking to share your animations on streaming websites such as YouTube or Vimeo, or if you're looking to submit your cartoon to a film festival or a similar vendor, you tend to export your files as videos. Anime Studio handles the exporting of videos better. The thing you have to decide is which format and codec you should use when exporting out your animations. The .swf files, which are not videos, can also be created. However, you have a chance of limiting your audience by taking this route because only a certain number of services use the .swf files. Not to mention, you eliminate the possibility of altering the animation further in a piece of video editing software.