Edit and replace an existing page in PDF in iOS? [duplicate]

This question already has an answer here:

• How can I edit PDF files in an iOS application? 1 answer
• How to show and edit existing PDF files in ios application 2 answers

I have to edit any visible page of rendered PDF and I have to save those changes made by user on that page of PDF. Is there any way around to achieve this without recreating the PDF with the edited page image?