The staff was really nice but the guy at the reception desk was utterly uninformed. He told us the wrong dates for the pride parade as well as for the Celebration of Light so we missed Australia.
Luckily, we caught the last fireworks (USA) from Sunset Beach Park which is only a 15 minute walk away.
Canada Place is a 20 minute walk away (if you don't want to take a bus).
Parking is free in the parking garage and the bus stops for the hop-on hop-off busses are close by - though we had a little trouble finding them.