How many call to actions can I add during a webinar?

There's no limit to the number of CTA that you can setup, some clients will use multiple hidden CTA setup at incriments to track and pass that info. to an integrated marketing plugin.

If you setting up mulitple viewable type CTA for attendee interaction at the event's watchpage, you would want to ensure their position & or start time / duration do not overlap.

Check some helpful links regarding Call to Actions below,

1. How do I add a call to action during my Automated Webinar?
2. How do I add calls to action for my live/hybrid webinar?
3. How do I add a button for my call to action?