In order for all your employees to work in one database, you need a local network between computers (wired or Wi-Fi). But you can also order the installation of the program in the cloud if:
You have more than one user, but there is no local network between computers.
Some employees must work from home.
You have multiple branches.
You want to be in control of your business even while on vacation.
There is a need to work in the program at any time of the day.
You want a powerful server without spending a lot of money.