And what images specifically? Most image formats out there are simply 8bit and blowing them up to 16bit will not do anything in terms of enhancing their quality. it only provides more headroom for adjustments and that's no different than simply switching the mode to 16bit manually. The only times when this might be relevant is opening images with ACR at all, but you did not provide any info. Anyway, these kinds of questions are best asked in the PS forum.
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