If you are unfamiliar with this document, do not be vexed. A user requirements document, written by the product manager, is centered around the end user’s needs and expectations for a product.it translates user requirements into. Streamline your project planning with our comprehensive functional requirements document template. To help you upsurge towards your business goals, we suggest you to try using a business requirements document. The frd is produced by business analysts or sometimes the technical team in response to the business.