It depends on whether you have ordered the BASIC QUALITY or HIGH QUALITY articles.
We have an in-house USA writer accomplish this task for us. While they may not be an expert in your field - they will spend a bit of time before writing to learn about your industry and niche.
We outsource this article to a private writers network we JV with that consists of doctors, brokers, franchise car dealers, consultants and experts in their field. This network obviously allows the reader to be fully engaged with someone who is knowledgeable of the nuances involved in your industry.