Maybe your Addin should handle the Application.DocumentOpen event. It will receive a Document object, which will offer the path (after the document is opened).
How to get path of launching/opening document from Recent tab in Microsoft Word using vb.net

We have designed Microsoft Addins for MS Word 2019. Now I need path of current document that is been launching, for this we have used a code statement "Globals.Connect.Application.ActiveDocument.FullName" that fetches active document path. But when we launch a second document in parallel keeping first document opened, it shows path of first document .
So can you assist on this issue.
Here are some more information about on which environment I'm working :
Operating System : Microsoft Windows 10 Pro
Code Editor : Visual Studio 2019
Technology : Vb.net(.Net Framework 4.8)
MS Word Version : 2019(32 bit)