When you create a drawing, you may get a drawing page header like the following:
Close your drawing and go to the 3D model.
Click the "Definition of the project data, units and preferences" icon on the Advance Steel "Standard" toolbar. Then enter your data in the dialog box and click OK.
Click the "Update page header" icon on the Advance Steel "Numbering, drawing" toolbar.
All the drawings created from this model will have their page header updated with the info entered in the "Project data" dialog box.