> For example, I see you can limit the depth of the tree but it doesn't give option to expand or drill down the tree in the org chart.
Collapsing / expanding, as well as drill down are planned, discussed and will be coming at a certain point.
> Also is there way to give summary of reports for each employee on the tree ...
I am not sure I understand the question here, but there is the option for custom item template and what's displayed there could be virtually anything.
I hope that addresses your questions.
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