Any other idea? I`m sure this is not a very unique requirement ...
Thanks so much
Are the file info fields not porting over? That's the normal way, but they don't use variables—I put them in my template so that they are in the files based on the template. When you forget—as I have—you can write an action in Acrobat to add them later via a batch process.
This was written for an older version of Acrobat. I'll update it for DC but the process is still similar. If you have a question before I update the post you can ask it here, or at the bottom of the post. Either way, I'll see it.
Evermap has a free Windows program for setting metadata on batches of PDFs. I have used some of their paid software and it is very good.
I also think that variables should be used in the file info and also in the marker dialog!
I wrote a FrameScript script to update the file info with the content of some variables some years ago. You might want to do this in ExtendScript. Or ask one of the script developers like Rick Quatro.
And I created a feature request in the Adobe Tracker. You might vote for it. Possibly this will be done some time.