Security concerns when using online export to Excel/PDF

Suite and Optimus Suite 5
#1

I have a question about online service to export grid to excel/pdf. We use grids with sensitive data, and my question is, does data goes to external server when online service used or it just downloads necessary components to local box?

#2

You can download and install the same scripts locally.

docs.dhtmlx.com/grid__data_export.html