Does converting an Australian driver's license to a Thai license restrict its use to Bangkok only?

Follow up on my earlier post regarding applying for a driver's license. When I attended Min Buri DLT to make the appointment to convert my Australian license to a Thai license, I was advised by the staff that using the yellow house book and pink ID card would result in a driver's license that could only be used in Bangkok.

Australian embassy doesn't issue confirmation of address, and I don't qualify for the confirmation of address from Chaeng Wathana as I'm not in Thailand long enough to submit a 90 day report.

I used the yellow house book and pink ID card as evidence of address, was issued with a driving license, and there was no further mention of restriction to any particular province ... I can only assume that the original staff member gave me incorrect information.