In this video from Marcus Huyskens tutorial blog, he demonstrates a basic workflow that he uses when archiving Mix sessions where external he has used external hardware.
Although Pipeline XT offer's users the ability to make text notes (of settings), as well as bring in pictures of your hardware all directly within the plug-in interface - IMHO, there are many different reasons why printing (re-recording) tracks that had hardware processing applied, is a good idea when it comes to archiving a Mix.
First - let’s start off with the obvious. It might be the case, that you no longer have a certain piece of hardware in your collection. Or perhaps it’s in need of some maintenance and doesn’t sound the same anymore with the same settings.
These two above reasons alone are a good enough reason to take the time to ensure that you have the ability to recall a Mix sounding “reasonably” the same as where it was left upon client sign-off.