Jeff Bellune provides an overview of the ways to export video from Premiere Pro on his website.
Exporting to DVD is done with Adobe Encore. For information about exporting a DVD of your program, see Exporting to DVD or Blu-ray Disc.
Exporting for web video is done with Adobe Media Encoder. For more information about exporting a file suitable for uploading to the web, see Exporting for the Web and mobile devices.