During the on demand webinar there is a possibility that viewers can ask questions.
You can set this up at any moment.
To do this, click on the on demand webinar > "Edit webinar" > "Webinar" > "Webinar page".
Click on the switch to turn the option "Viewers can ask questions" on or off.
You will receive the questions in the email you set up at "Correspondence email", you can change this when editing the webinar > " Create/General" > "Correspondence email".
You can also find the questions at the "Statistics" of the on demand webinar.