This feature can be used by the authors to export all the question along with answer options, correct answer and explanantions to a pdf file.
To export questions to pdf file use "Export to PDF" button in "CBT Author" screen.
You will get another window with list of all the exams created, select the exam whose question you want to export to pdf.
You will be then shown all questions along with correct answers and explanantions in a pdf format click on "Save" button to download the pdf document to your system.