This is now possible with our new Integration poster: https://www.rssground.com/full-zapier-experience/

The more platforms we can post to, the better, imo. This helps RSSGround to replace other posting options.

Currently it is possible to post to Reddit via IFTTT.com automated poster in RSS Ground: https://ifttt.com/applets/FSv7MuAc-rss-ground-automated-content-posting-to-reddit