I am looking for a product which can compare multiple word document with track changes enabled so that the user can see changes from multiple authors and accept and reject using word.
Can you share a sample which can compare two files and gives a output file with track changes?
Please find below some useful resources to quickly get started with GroupDocs.Comparison API.
Downlaod GroupDocs.Comparison API: http://groupdocs.com/Community/files/8/.net-libraries/groupdocs_comparison_for_.net/default.aspx
GroupDocs.Comparison Docs: http://www.groupdocs.com/docs/display/comparisonnet/Home
GroupDocs.Comparison Examples: https://github.com/groupdocsComparison/GroupDocs_Comparison_NET
GroupDocs.Comparison Videos: https://www.youtube.com/channel/UCocGAn_EunYUo4v7QWGPMaw
If you will need any help or you will have any other questions please feel free to ask.