We are facing digital signature removed problem with pdf files after merging into a single file using adobe acrobat different versions, which are mentioned below. Also we checked with portfolio option and it is giving some other issues after combined. kindly provide a solution to fix it.
Also, please share more details about the issue you are experiencing when creating a PDF protfolio. If you are getting any error message please share the screenshot of the same for a better understanding.
Additional information: Adobe Acrobat 9 and 2015 are EOL applications. For more information about EOL please check the pages below: