Complex sentence: You can see kudos as the Like's of Dumpert, if you comment on a video or picture you can also get kudos, if you get the most kudos your comment gets placed at the top of the comments so more people can see it.
Split into simpler sentences: You can see kudos as the Likes of Dumpert, if you comment on a video or picture you can also get kudos. If you get the most kudos your comment gets placed at the top of the comments so more people can see it.