Currently, Canva does not offer built-in analytics or tracking features for monitoring engagement and viewer interaction with presentations. However, users can track engagement indirectly by sharing presentations via Canva's built-in sharing options and monitoring metrics such as views, likes, and comments on social media platforms or online presentation platforms where the presentations are shared. Additionally, users can solicit feedback from viewers directly or use external analytics tools to track engagement and gather insights into how their presentations are being received by their audience.