Hi Nagendra,
Greetings from Syncfusion support
Your reported problem – “Apple IOS chrome Freeze column scroll not working” is a known bug from our end. So, we have considered “The horizontal scroll is not working properly when enable frozen feature in the Grid” as a defect and logged a report for the same. We will include the defect fix in our upcoming October 13th, 2021, patch release. You can now track the current status of your request, review the proposed resolution timeline, and contact us for any further inquiries through this link.
Rajapandi R