How to show multiple fields at onces based on user's selection.

HI, I'm building a, RFQ (Request For Quote) Form that has cascading options based on 5 category selections. Is there a way to build a single form that display unique sets of fields that correspond to the selected parent category?

You can display them through conditional logic, please check this guides:

https://www.jotform.com/help/316-How-to-Show-or-Hide-Fields-Base-on-User-s-Answer 

https://www.jotform.com/help/196-Hide-or-Show-Multiple-Fields-at-Once 

Let us know if you need more help, we will be glad to assist you.