Not sure what Full article means since I wasn't on feedly for so long but I guess you mean only what the feed exposes to you (e.g. https://news.ycombinator.com/

Not sure what Full article means since I wasn't on feedly for so long but I guess you mean only what the feed exposes to you (e.g. https://news.ycombinator.com/rss https://news.ycombinator.com/rss there's always only Comments link). But if I say mobilized content in inoreader it downloads the website, parses it and shows it to me https://i.imgur.com/b09hh6Y.png https://i.imgur.com/b09hh6Y.png