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Depending on how far you go down which particular rabbit hole in imaging, I think that accurate polar alignment, no PA related tracking corrections in the mount and guiding is the best way to go, otherwise as you say, you may well have the mount issuing its own corrections and complicating the guiding.
If you do happen to do long exposures you won't want to spoil them with field rotation, and if you send the mount around the sky with imaging software and plate solving, any PA correction benefit to basic pointing in a multi star alignment of your mount will be lost as well. Even with my Orion AZEQ6 clone I don't bother with a multi star alignment any more, or any initial alignment in fact. I make sure the PA is good then simply start from the park position and it is close enough to it's assumed position that plate solving takes care of the rest. And I know that the mount is tracking only in RA so no guiding complications to worry about.
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