It means that you are hired temporarily, but not as a regular employee. The purpose of the training is to get you involved in insurance sales. Whether the insurance company really hires you depends on your performance.

In addition, when you are doing sales, don't just do sales. At the same time, you should pay attention to the layout of the company and communicate with the supervisor more, because when they evaluate you, they may not necessarily do sales after they formally join the company, but you must know about sales and may let you make claims. If you behave well, you may even become a coach. The trainer of insurance company is in the transition stage to regional manager, so you should grasp it well. Don't just think it's for you to do sales.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.