I think this should do what you need.
Install Webscheduler.msi. (Live Meeting Manager)
And then to see poll info, do the following:
1) Log into Live Meeting, Manager:.
2) On left hand side, click on "Reports" in the View section
3) Click on "Meeting List".
4) On the subsequent list , find the meeting in which you did the poll.
5) Click on icon in the View Poll column.