PDF Doc From Template Into Read Only PDF

Good Afternoon,

I am utilizing the pdf doc from template smart service to generate a pdf that is a snapshot document of a form that has been filled out by a user on the site.  The template I need to use in the smart service is an editable pdf template of the form that I then dynamically fill the inputs from the user into the template to generate the document. 

The Problem:  The produced PDF document from the smart service is still an editable version while I need it to be a read only. 

Does anyone have a solution for converting the generated new PDF from the smart service from editable to read only before I send it to off site storage? 

Thank you