Well,I am not From Canada,How many days it took to get the offer letter ...how much amount there asked to deposit for LOA and is it possible to go bishop from Montreal. Did you enquired about part time jobs in Sherbrooke and Montreal.
So i can't answer whether we can go from Montreal to Sherbrooke, and what is part time job scenario,
I got offer confirmation in One week, and offer letter in 2 months,
They asked me to confirm LOA with 300CAD fees