Are you looking for your Exam Score Report or your Certification of Completion of CSA?
If you are looking for you Exam Score Report you can find this by logging into www.vue.com/pegasystems and clicking the View Score Reports on the right column under the My Account heading. From there you should be able to find the CSA exam and bring up your score report.
If you are looking for your Certificate of Completion of CSA you should be able to download it using the steps I mentioned in my earlier post. Both Instructor-Led and Online Course Certification of Completions as well as Certificates of Completions of Certifications are available from here.