Currently there is no way to choose the popup position. If the button is near the border of the screen the popup will be outside the screen.
Hi Manitra,
Indeed the popup of the mentioned components, automatically change its position based on the available space (auto-detect collision):
https://screenrec.com/share/xPcw6tajlN
Thus I will mark this request with 'Completed' status.
Regards,
Martin
Progress Telerik
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