You are not required to be a resident to get a Louisiana salesperson's license. You must meet the same requirements as residents, like showing proof of education, taking the 90-hour Louisiana pre-license salesperson course, passing the state exam, and getting E&O insurance.
You can find information about the Louisiana Real Estate Commission and its laws and rules on its website. You can also search the state legislature for regulations on obtaining a real estate salesperson license, continuing education requirements, and code enforcement.