As a customer, you need a realistic representation of what your installed products will look like. While it is true that with a sketch or a construction plan this information is obtained, it is not always the most appropriate way. Having the opportunity to observe how your design will look with the final materials and in the space that surrounds it, allows you to have total control of the project and the final result.
It is not simply that you can see your products before installing them; it is about avoiding a wrong investment. If you want a project with a specific finish but you don’t know which one best fits your space, it is more appropriate to check it BEFORE buying products and materials.
You will have a presentation of your first level product. If you are in a major work, with a quality render you will be able to convince your colleagues of the potential of your ideas, before they say no.