I was looking for a pdf editor in Linux and that's not an easy task. I used Windows editors that literally let you do whatever you want and needed similar tools for Linux.
Hopefully, I found Pdf Studio Pro from Qoppa that fullfits all my requirements.
You will need no more tools, eventhough you're a professional in this subjects.
Developers gives a really good support answering emails really fast.
Good work Qoppa's workteam