Hi David,
Greetings from Syncfusion support.
We had fixed an similar issue related to the column chooser display position when using multiple grids on our version (19.4.0.52). Kindly update to our latest version and check whether the reported issue occurs. If still the reported issue is not resolved Kindly get back to us with the below details it will help us to validate the issue further from our side.
- share the Grid code snippet
- Share the video demo of the issue you are facing.
- If possible share us the simple issue reproduceable sample.
The above-requested details will be very helpful for us to validate the reported query at our end and provide the solution as early as possible.
Regards,
Monisha