Creating and editing annotations, review Dimensioning Tools Overview.
Dimensions and Multileader that are in the drawing view are updated upon change of the underlying 3D model.
Assembly drawings can be annotated with BOM balloons. Every balloon refers to a row in a BOM table generated from the assembly. The BOM table can be placed in paper space (layouts) with the drawing view of an assembly.
Exploded Representations of assemblies can be used to generate drawing views and annotate them with balloons.