Google Docs is a free online-based document editor. With a bit of work, you can create a very simple flyer or poster using the tool, but you may find it doesn’t look as professional as Canva or Adobe Suite. If you wish to use Google Docs, you may want to do some internet searching for free downloadable Google Docs templates for the type of material you are wishing to print. You may also want to look up video tutorials for making nice looking documents on Google Docs. Google Docs main advantage is that it is free to use with a Google Account and should be familiar with anyone who knows how to edit a document.