Manisha,
Greetings from Syncfusion.
For your query, we prepared sample for PDF export, but we are unable to replicate your reported issue. So kindly share more details asked below.
- Complete Gantt Chart code details.
- Gantt Chart version?
- Is the error occur at initial load or after any action performed (edit, sort, filter etc.)
- Share timezone details?
- Have you customize the Gantt Chart in load event or with external CSS? If yes, please share the details.
- Share video/screenshot about your issue.
- If possible replicate your issue in the given sample and revert us back.
Sample - Mmjxw7 (forked) - StackBlitz
Demo - Gantt Chart · Exporting · Syncfusion React UI Components
Documentation - Pdf export in React Gantt component | Syncfusion
Regards,
Sridharan