The process of utilizing Screencastify and Google Keep to create a video comment bank for Google Docs is relatively straight-forward. Third, create a note in Google Keep that consists of the link to the video (I suggest giving the notes easy-to-remember names and labels).
In this video I show how to use Screencastify and Google Keep to produce a bank of video remarks that you can insert into the comments of your students Google Docs and Slides..

On Sunday night I got an e-mail from someone who had seen my videos about Mote and questioned if there was something similar for including video remarks to Google Docs. Among my tips was to try the e-Comments Chrome extension which
I reviewed last spring. Another choice is to utilize a mix of
Screencastify and Google Keep to develop a bank of video comments that you can place into the comments of Google Documents or Google Slides..