What differs here is the paperwork behind the terms buyers are asked to sharpen. A Saskatchewan offer runs on a standard form through the Saskatchewan Real Estate Commission and typically carries a financing condition and sometimes an inspection condition, and in a best and final round a buyer's real lever is usually shortening or waiving one of those conditions, not just raising price.
Multiple offers are common enough at 1.63 months of supply that agents on both sides know the drill, but the seller still has to run it properly: every offer gets acknowledged, a clear deadline gets communicated, and the seller signs whichever offer they accept before it becomes binding, the same as a single offer would.
For a seller deciding whether to run this process at all, the honest answer is that it only works when there is genuine competing demand, which is exactly what a documented, hand-reviewed valuation tells you before you list. Joel Dyck prices a property to attract that demand rather than guessing at it. Get your hand-reviewed valuation from Joel Dyck.