In the days when they recruited, there concern would be that you held the required licence with all the relevant ratings. That would be a pre-requisite. Your pass score in each individual exam is something that is notified to you at the time, but doesn't form part of a permanent grade or certificate, so it is irrelevant to anybody else.
Airlines historically recruited the best candidates based on their previous flying experience be that commercial or military. They then offered interviews to those at the top of the selected piles, and from these interviews coupled with references and in some cases their own testing and simulator asessments went on to offer placements to those they considered the best.
These days in the vanity publishing world of first officer recruitment, some will offer you a placement if you have the cash to buy what they are selling, and to that end they won't care what percentage you achieved in Nav' general either.