If you are looking for a way to write on your screen or web pages, take a look at these annotation tools. These would work similarly to using your Smart Ink.
Chromebook Annotation Tool from IPEVO (I also installed this on my PC as an app in Chrome and it worked!): https://chrome.google.com/webstore/detail/ipevo-whiteboard/ngabidjikmpanokhnajohenclgjedjkp
Windows Annotation Tool from IPEVO: https://www.ipevo.com/software/annotator
Here is some information on annotating in Zoom: https://support.zoom.us/hc/en-us/articles/115005706806-Using-annotation-tools-on-a-shared-screen-or-whiteboard