What is the term for customers who have a high level of authority in their ability to approve purchases others make due to their high position in the hierarchy?

The term for those customers is DECISION MAKERS

Explanation: Decision makers exist in the every society. They are customers whose high authority influences the buying and purchasing decisions of other customers. These customers are mainly high networth individuals in the society.

anyone below or above ambitious can tell you. so crowns mean brainliest. getting brainliest means your answer needs a good explanation and the person asking the question can understand your answer easily. so say there's a multiple choice question. you don't just want to say your answer is a, hope it . provide evidence and reasoning so that they know that that is the correct answer. a good explanation should have evidence, good reasoning, and your opinion on why you picked that. you don't want to look up their question on the internet and see if you can answer it. pick questions that you 100% know the answer to, so than that way you can provide a better explanation.

best of luck,

the divergent