Previewing a Document in a Crystal Reports Layout 
Open a document that you want to view with a Crystal Reports layout.
Note
You can only preview a document that is already added to the database. In other words, you cannot preview a document without data.
Choose one of the following menu paths:
Choose this option if the Crystal Reports layout you want to view is already defined as the default layout of the document type.
Select a layout in the Choose Layout window and choose the OK pushbutton.
The document is displayed in the SAP Crystal Reports viewer. For more information, see SAP Crystal Reports Viewer.