How to add multiple annotation layers to a PDF of a Construction Drawing

Hello - Hope I can explain this well enough.  Not an Adobe expert, but for years I add shaded areas with the polygon feature to black and white PDF architectural drawings I receive from the architect for large construction project in hospitals or schools.  These shaded areas are of different colors to illustrate a certain phase of construction or perhaps an area of ceiling tile is a blue shaded room and a green shading represents the floor tile in that area that needs to be replaced, etc... I also like to add the little text boxes with arrows showing where a picture was taken or where a sample was collected.  How can I create a PDF for my client that has each of these individually created annotations available as "layers" so he/she can click on and off which layer they want to see or all at once.  I know they send me PDFs that have little layer "eyeballs" that I can click off and all the toilets disappear from the wing of a hospital or click another layer and all the sprinkler heads disappear.  Thanks for any help!!