No, the comments do not get compiled into the assembly.
Instead, if you instruct Visual Studio to do so, these xml comments are
written into into a file that defaults to the same name as the assembly but
has the extension ".xml". It should be straightforward to extract the
comments from this file using C#, since it is just plain XML.
That info is not stored in the assembly. It's stored in a separate
file (the same name of the assembly but with a .xml extension). Now I
do not remember if this file is generated by the compiler , I bet it's
but I'm not sure