You need to create your full size geometry on the "2D Model" sheet [this may not be active by default] This can be activated manually by clicking on the
You'll then find the tools you need on your Sketching tab, there is a Drawing Views panel.
Normally "Sheet 1" [+ additional sheets you create] are your "Working" sheets, these are where you place your model views & then your annotations [dimentions, notes, etc] using the "2D Model" & "Detail" functions
Switch back & forth between using the Sheet tab at the lower left of the graphics window.
Sean Cresswell Design Manager Streetscape Limited Solid Edge ST10 [MP0] Classic [x2 seats] Windows 10