There are various minor fit problems, but the shoulder fit is more than a minor issue, since it would require costly tailoring. It would be prudent to try other different brands in search of better fit there.
The boxiness can be reduced and the sleeves shortened, but it's a size too big in the shoulders and (not correctable) too short. Return. Unfortunately, it looks like a set of measurements that few off-the-rack suits can be made to fit well.
The suit is too big in the shoulders (hard to fix) and too long in the sleeves. Also, the drape of the pants is wrong in a way that is best left for a tailor to figure out.By the way, the shirt color is too dark for that suit.