The standard version of the dhtmlxGantt library is used to build the Gantt chart. The professional (paid) version of dhtmlxGantt offers advanced functionality and a set of advanced features. If you need the features from the professional version, you need to buy a license and then contact us for integration.
You have the ability to bind a Gantt chart to any entity with Start Date and End Date fields
When you create a Gantt Chart page, we can specify which group of users will have access to view or edit the Gantt Chart.