|IWebBrowser interface notifies the window some events, such as DocumentComplete, NavigateComplete, BeforeNavigate, DownloadComplete etc. 'DocumentComplete' will be notified when a document is completely loaded into browser. Then you can get a IDispatch pointer to the loaded document by calling IWebBrowser::get_Documet(). In the case of Word, you will get IDispatch pointer to the _Document interface of Object Model of MS Word Application. See Object Model of MS Word by opening it's type library (MSWORD.OLB) using OLEView.exe tool of Visual Studio. _Document has methods put_Saved() & get_Saved(). You can create wrapper classes for the required interfaces of that Object model.
following is the rough code..
IDispatch *pDsip = 0;
_Document wordDoc(pDisp); //_Document is the wrapper for _Document interface
//Call wordDoc.Save to save document
Investigate on Word interfaces to do something to hide tool bar.. Its possible.
Hope this will help u..