Where do I find the downloadable pdf's? February 07, 2019 12:32 Updated Follow When you are signed into your exam prep subscription you can find the downloadable PDF topic guides under the red tab that says 'Testing Help'. Related articles How do I access Exam Prep? How long is the Exam Prep access valid? How can I change my password? How do I access my AOTA CE Course? How do I access my digital book?