You can use a site like SoundCloud Playlist Downloader if you're looking to get all of your podcasts from one playlist downloaded.
As far as an RSS feed in Pocket Casts, it definitely is possible according to this guy's website. It looks like he took an RSS feed URL from his user profile.
You can see all of a user's comments by clicking 'View All' in the comment section toward the bottom in the right-hand column (by default it will be the second-to-last item, right before the links to iTunes and Google Play).
You can also go directly to a list of a users comments by going to
Best Answer
You can't remove the preview.
You'll have to delete that update and post a new status update without the link/preview to SoundCloud.