Hi Nikitha,
Greetings from Syncfusion support.
Based on the shared information and the
provided sample, it has been observed that you are encountering a UI issue when
using frozen columns in the Syncfusion Hierarchical Grid.
We would like to inform you that the frozen
columns feature is not supported with Syncfusion Hierarchical Grid. This is
a known limitation, and we have documented it in our official documentation for
reference.
For more information, please refer to the
following documentation link:
Frozen-column-Limitations
Regards,
Aishwarya
R