I've worked PSE for seasonal now that has ended I'm applying for the same position just in a different location with my experience will that help me get hired

Previous employees get priority, but you still need to go through the hiring process like the first time you applied

That would be helpful, I'm sure. hope your location have more professional supervisors that is work

Yes, you can apply in different location and you won't go thru the whole process again. Only the interview part.

No untrue, You are not a regular until two years minimum

The best way to get hired there on a more permanent basis is by going to their website USPS.gov/careers and applying for a position. That will allow you to sign up for the written test to become a "regular" postal employee.