yes. check out my forum syntax guide. the sections with Linking and Code Blocks are what you want.
you will want to upload your replays to something like google drive or other place. then share the link to it here. note that the syntax guide will show you how to do the code blocks so that you can post your links.
https://us.forums.blizzard.com/en/heroes/t/new-forum-syntax-guide-details-about-trust-levels/380/154