Almost any drawing software has tools for creating boxes and lines but you have to manually place the boxes on the page and connect them with lines using a mouse. Editing a chart can also be painstaking. If you want to insert a new box, you have to manually move the others out of the way.
You also have to know how to properly format an org chart.
Visio and its imitators all work this way. Creating an organization chart is time-consuming and, unless you spend considerable time to become an expert user, it is difficult to draw a professional-looking org chart.
SmartDraw understands proper organization chart rules and applies them for you, automatically.
Before reading the tutorial, watch this video (which is less than three minutes long) for a quick overview of how to draw an organizational chart with SmartDraw.