When we did the regression test we found that RepeatItemLabels setting is not working when we save the file to xlsb. When we save in xlsx it is working fine.
pTable.RowFields[index].IsRepeatItemLabels = true;
We use Aspose 184.108.40.206 version in our code.
Please let us know your feedback, and if this is an issue in current version, when the fix would be expected.