You can easily show most top voted and most down voted posts in sidebar by using Widget option. Go to Appearance >> Widgets. You will find a widget box titled by BWL Voting Manager Widget. Drag and drop it in your right side widget container. Remember, your theme must support widget option for using this feature.
Admin Panel view -
From admin panel post list you can easily view no of like votes, no of dislike votes and no of feedbacks casted for your posts. You can easily reset votes and feedback data using both Quick and Bulk edit option.