Does this allow for conditional questions?

Does this allow for conditional questions? For example, if you answer “Yes” on a question, then another set of questions pop up.

That's correct - Conditions will allow you to do that. You can conditionally show a question (or sets of questions) based on the user's answer on a different question.

Related guides:

How-to-Show-or-Hide-Fields-Base-on-User-s-Answer

Hide-or-Show-Multiple-Fields-at-Once