If you check this link: https://support.ringcentral.com/s/article/9364?language=en_US

it says the following details can be found in report:

Registration Report: Displays a list of registrants and their registration details.
• Attendee Report: Displays details about each attendee.
• Performance Report: Displays engagement statistics on registration, attendance and feedback.
• Q&A Report: Displays questions and answers from the webinar.
• Poll Report: Displays each attendee poll result.

Hope this helps