@Niteen_Jadhav, the auto template selection is not implemented yet
What is the estimated timeline for the same
This week we will investigate possible ways to implement this feature and will probably better know about the ETA.
There are some difficulties especially for your cases.
Your documents have specifics when one document contains different documents, they can be one page, multiple page.
GroupDocs.Parser assumes that one input document = one template.
Then GroupDocs.Parser will choose correct template and apply it to the document. I.e. this can be implemented in a more effective way that having the combined documents
May we change your approach and split your multi-document documents into individual ones?
You can do however you want to do