First, wen you say "drawings" do you mean external content i.e. dwgs, pdfs etc. or do you mean views from the model?
Either way you can place as many views (drawings) on a layout as you want. Either drag the views in the navigator on top of the layout or open the Organizer to drag and drop views.
Once placed in the layout, you can move and re-size the view windows. You can also create a grid in the Master Layout settings so that views can be placed in predefined boxes on your layout.
For external drawings, click File>External Content>Place External Drawings. If you open multiple drawings and you have setup a grid on your layout the drawings will be placed in the grids automatically.