Why do civil servants need to go to Macao for visas?

Working in the destination country or region for official reasons. According to relevant information, civil servants who travel to China and Macau for official reasons can work in the destination countries or regions and apply for visas. Macau, China, the full name of People's Republic of China (PRC) Special Administrative Region, is located in the south of China, on the west bank of the Pearl River Delta.