Is there a chance you will get chased by gators or if they might even try to bite you?

Yes, there's a chance. Only if you get close enough to them which is why the park recommends to not go near the edge of the water.

Yes. There's chance. You need to be careful during walking towards the trail. Don't go too much close to the water.

Yes, there is a chance. That is the reason why the park do not recommend people to get close to water.