The freezer door needs to be kept shut so that cold air does not escape. If the gasket is damaged in any way, then there will be a gap between it and the edge of the appliance. That will gave way to costly leaks.
Problematic seals must be replaced right away so that the refrigerator can be kept as efficient as possible. Specialists can create customised commercial freezer door gasket to fit any unit. They can also provide standard sizes for different refrigerator models.
Since time is money, you must find a store that can deliver the part quickly. Some offer same day shipping if you order before a certain time. This should minimize disruption in your kitchen and give you peace of mind.
Consider replacing other faulty products if you have an old unit including door closers, filters, switches, handles, lights, and so on.