You were told to edit your question to move additional information there where it belongs. This site engine has no conversation or threads!
Either you can give a reliable and accurate reference where you side panel is used and not only shown or you reword your question and comments in some sort of international English (with short sentences composed of a subject, a verb and complements and not something like at the are where you do) so that non-native English readers like me can understand what you ask for.
I have no time to watch a 1-hour video whose main topic is not document processing application usage. Obviously, you’re pleased by something but what?
Due to the present approximations, you should test my suggestion of Insert
>Comments
if that fits your needs.
Please mention your OS and LO version because there are variations in menus and procedures depending on these two important parameters.