We suspect that the issue might be due to any of your customization within the application which may change the position of the popup. Kindly try to reproduce the issue in the above sample and revert else share your code example / runnable sample (if possible) to serve you better.
ETEdson Tsuyoshi TanakaDecember 2, 2019 03:50 AM
If you strech the task during the day and scroll down, it cuts off some of the pop up.
This print it's in your sample.
VDVinitha Devi Murugan Syncfusion Team December 3, 2019 03:04 AM
Thanks for your update.
We could reproduce the reported issue and logged the below bug report and fix will be included in our upcoming Volume 4 SP release which is expected to roll out by end of December 2019. We would appreciate your valuable patience until then.