Can we populate word document variables using Power Automate similar to how we populate the word doc

We have a Microsoft word document .docx which have custom properties as follow:-

and we are populating these properties using Power automate as follow:-

but we are facing an issue is that the word document properties can not take more than 255 characters for each property, so we are planing to replace the word document properties with word document variables (which do not have the 255 characters limitation).. but does Power Automate support populating the word document variables similar to how we can populate the word document proprieties?

Thanks