Community polls support built in module positions to which you can assign your modules like Adsense ads or any custom module.

Below are the module position supported.

jcp-above-toolbar:  Above toolbar on each page

jcp-below-toolbar:  Below toolbar on each page

jcp-below-content:  Below the content of each page

jcp-below-poll-details:  Below the poll details but above voting form/charts

jcp-above-vote-buttons:  Below the voting form/charts but above the vote/preview buttons

jcp-below-vote-buttons:  Below the vote/preview buttons but above comments/suggestions