We are using Aspose.Words.dll (184.108.40.206), after calling AcceptAllRevisions(), the document has 3 headers and footers. Please see the attached files.
Thanks for your inquiry.
While using the latest version of Aspose.Words i.e. 15.6.0, I managed to reproduce this issue on my side. I have logged this issue in our bug tracking system. The ID of this issue is WORDSNET-12207. Your thread has been linked to this issue and you will be notified as soon as it is resolved. Sorry for the inconvenience.