Yes, you can copy and paste ♭,♮, ♯, ø, o and ∆ from the chord box or some other source to a text box or to this Forum, as I just did here, but it's cumbersome, AND the♭and the♮always come with non-removable spaces, front and back. So, e.g., Cm7♭5 looks unnatural and takes up more space.