When you repost a TikTok video, it's more likely to appear in your followers' feeds, and you can add a comment with it. Anyone who sees your reposted TikTok will be able to see that you reposted it.

The button is also not available across all of TikTok. For example, if you find a video through the Discover page or in your TikTok inbox from a friend’s share, you won’t see the Repost button ...