Student or Learner
By redeem, do you mean "compensate for" or "use up" in this case? Redeem has a lot of meanings.
W: George, have you exhausted all your vacation days yet?
M :Yeah, a month ago, How about you?
W:I still have three. Tha manager just filled me in.
M : Well, just be sure to redeem them before the end of the year.
Use up, take the days.