One of the indicators of the level of business is the use of the licensed software. You are a big market player and respect other players, so you treat labour of others with a proper responsibility.
Russian legislation also prescribes liability for the use of unlicensed software. Today, inspections of the use of the software licenses is a very widespread phenomenon.
The most common mistake of licensing is the choice of obvious license without understanding the details. On the other hand, if you dive into the details, a decision on the purchase may be delayed. However, business realities require a prompt decision-making on such matters.