These are public communities without Apple employee participation, so these posts are not read by them.
I can duplicate Pages v14.4 on macOS Sequoia v15.6 crashing immediately upon selection of the Typography menu item on the Show Fonts panel. Regardless of the font used, it does not crash if you have text selected before you select the Typography menu item.
Regardless of the preceding paragraph, if you sent Apple a crash report from the Pages quit unexpectedly dialog following the crash, then there is no need to send the Pages product team bug feedback from its application menu.