All gantt is a place where you can see the progress from all the projects at one place. Using All gantt you can see how much the tasks from all the projects have progressed.
How to open All gantt charts:
Add tasks lists and tasks from All gantt
All gantt has similar filters like gantt charts. You can filter data according to assigned people and change the view using these filters:
Export All gantt
You can either print or download it as PDF by clicking on three-dots icon.