Field, short for "In the field" as opposed to in training or in practice, indicates real world circumstances in which a something or someone is engaged for their intended purposes.
"Officer in the field" means a police officer who directly engage in stopping criminals, as opposed to a police officer who works in an administrative capacity or a police trainee.
In business/marketing, "field" means the actual usage of a product by a customer, as opposed to said product being in production, tested, transported, etc...
"Sử dụng", therefore, is an acceptable translation