Once you create a test, you can Print/Download a copy of all the questions paper in PDF format and keep it for future use. Let me tell you how you can do it.
Login your QB account and go to a dashboard page and select Question Paper Management
2. Select only the Answer Key and click 'Print'
3. Select Question with Answer and click 'Print'
4. Select Questions with Answer Final, and click 'Print'
By Clicking 'Print' button you can either take print or save as PDF, Click 'Save' and chose the destination where you want to save the document
Once you generate the question paper you can print and also save as pdf