IT is possible for NON users to vote? So say someone is browsing our forum but doesnt have a login or is not logged in.. can they still vote on a poll?
In posts, topics or polls? Those are 3 quite different things 
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「いいね！」 2
Polls.. Within a post.
No. You must have an account to interact with the site such as liking, voting, posting etc.
「いいね！」 2