Hi Anna, great question! While we don't have a survey tool comparable to SurveyMonkey, you have a couple different options for delivering surveys to your learners!
1. You can create a survey in Storyline 360 at the end of your course. This article talks about how to build the survey slides.
https://community.articulate.com/articles/articulate-storyline-360-user-guide-how-to-add-form-based-questions2. You can try embedding your SurveyMonkey survey as a web object at the end of your course. Here is an article that talks about how embed web objects.
https://community.articulate.com/series/articulate-storyline-360/articles/articulate-storyline-360-user-guide-how-to-add-web-objects3. You can use a trigger to link your SurveyMonkey survey to an "Exit Course" or "Complete Course" button that opens the survey when the learner clicks it. Here's an article that talks about how to use triggers in your course.
https://community.articulate.com/articles/10-reasons-why-its-easy-to-create-interactions-with-storyline360I hope this helps! If not, please ask more questions!