The following was copied from https://ani.social/comment/273371
Yes this is something that Kbin users can do (by selecting More > Activity on a post) and I believe Lemmy users can do this too but not with the native inrerface
I’m on kbin and confirm that I can see who votes and if they upvoted or downvoted for posts and comments. It’s really fun to use and see people upvote their own comment.