They can vote to poll consensus but there is no mechanism to enforce a policy based on a vote; following the vote is voluntary. Not making a point here per se, just clarifying what we mean by "vote". (Unless the above is wrong?)

Anarchism - Anarchism is a political philosophy and movement that seeks to abolish institutional authority, coercion, and social hierarchies—most notably the state and capitalism—replacing them with stateless societies based on voluntary association, mutual aid, and free cooperation.

Yes, in our NON-ANARCHIST society, anarchists are allowed to vote. If anarchists got what they wanted, then voting wouldn't be a thing because the state wouldn't be a thing.