Need help with Table

1.In Power BI Desktop. Go to File > Options and Settings > Options ,check if the Export data option is tick correctly.

2.In Power BI Service, did the admin enable the Export data option?

3.To export the data from a visual, you need to have Build permission for the underlying dataset.

4.Export data isn't available for users outside of your organization who are using a dashboard that an internal user has shared with them.

For more limitation of export data feature, you can refer to :https://docs.microsoft.com/en-us/power-bi/visuals/power-bi-visualization-export-data#limitations-and....