Thank you for the question!
This is a known limitation of the glass surface in elevation/section.
In your case, for example, if the windows/doors use 2 different glass surfaces, one with 51% Transmittance, and the other with 50%, you may find that in 3D they seem to be the same, but on elevation, only the 51% Transmittance glass shows element behind it.
I hope this answers your question. Please let me know if there is anything unclear!
Technical Support Engineer