How to Merge PDF file with Annotation

问题

i used this link 's code to merge pdf file ,pdf merge sucessfully with loss of annotation i want to merge pdf with annotattion i checked following link:

How to Merge Multiple PDF Files Into One PDF

Merge 2 pdf files in iOS

any other method to merge pdf file with annotation

Please Help me

回答1:

For adding annotations to a PDF document I suggest you use this library which provides a sample code of PSPDFKIT. Also please follow this link which has loads of methods and libraries to add annotations to a PDF file. The first one is the PSPDFKIT itself which is free as a demo version but includes namely all kinds of functionalities you would need generally.

Create PDF Annotations in iOS

回答2:

If you have Adobe Acrobat Pro you can:

1. open one of the pdf you want to merge
2. open the menu Comments (top right)
3. under "Comments List" click on the option icon cf the printscreen
4. select Import data file and select the second pdf

来源：https://stackoverflow.com/questions/18396558/how-to-merge-pdf-file-with-annotation