Create and manage Polldaddy polls and ratings from within WordPress.
The Polls & Ratings menus can now be found under the Feedbacks top level menu.
Each author that wants to create polls will need his or her own Polldaddy.com account.
Yes. You'll be able to edit the polls they create from your blog. (You won't be able to edit any of their non-blog, personal polls they create through Polldaddy.com.)
Nope. The permissions are the same as for posts. So Editors and Administrators can edit anyone's polls for that blog. Authors can only edit their own.
More info here
You need to select the synchronize ratings account in the WordPress options page at Settings->Polls & Ratings to make sure the ratings API key is valid.
Your rating uses the filter 'wp_title' by default when retrieving the post title, you may need to remove this in the Polls & Ratings settings to allow ratings to work with your theme.