Overleaf'sintroduction to beamer; part 3 of our free online LaTeX course; apresentation template listed in our Gallery. powerdot package Another way to make presentations is thepowerdotpackagewhich uses the more traditional output workflow of DVI to PostScript/PDF—for an example, see thisOverleaf...
The basics: A 30-second video which shows how to access Overleaf's commenting feature Using comments: A 1 minute video which shows a single user adding, editing, archiving (resolving) and deleting comments Collaborative commenting: This 2 minute video shows 2 fictitious users called Ivor Question...