Is that possible to write a script for export underline text to PDF?

When I do some alteration in the financial document, I have to underline it aim to show what I have amend, those underline was called “markup“. And then print (hard copy) and gen (PDF) the amendment, which mean I have to print and gen the underline text (or called markup text) after  alteration.

sample pic:

If:

Client request a new version of markup which mean I have change the last markup color (last amendments’ underline color) into “back” and then make new markup to “red” like this:

What I want:

is that possible to write a script for print and gen the markup text only in the all open document

and I want two versions

1) gen all the markup text no matter what the underline color

2) gen the red color of markup text

thanks!