Do a search of the forum I believe the answer is yes, PR can help you learn them faster.
The best way to improve fluency in a language is to use it often. Read it often so it stands to reason that PR can help.
Try it and see is the best way to find out. It takes 3 to 5 minutes to PR the average text so it need not be a time consuming experiment to PR foreign a text for learning once a day for a week to see how it helps.
Alex