Greetings,
I understand your project description.
I think you want to create fillable PDF from your provided 12 PDf file.
I am an expert in Combine PDF, Adobe InDesign, PDF, Graphic design, Illustrator, and more.
So, I think I can do this task very effectively.
If you hire me Then I trying to complete this task 100% accurate.
So, please discuss more over the chat.
Thank you.
Tanmoy.