Tips and Tricks

Go to the Review tab and click on Track Changes. In this mode, you can
see the changes people made to the document which is indicated
by a red line and you can view comments as well.

There is a function called Shrink One Page where it tries to fit everything on one page or reduce number of pages by one but it is not easily seen.
In the Quick Access toolbar, click on the arrow and go to More Commands. In Choose commands from, click All Commands.
Find and click on Shrink One Page, click Add and click OK. Click on the Shrink One Page button to shrink the page.

Click inside the table, click the bottom-right arrow in the cell size section to go to table properties.
Go the Tab, check specify height with the size you want and uncheck Allow row to break across page.

Go to the Design tab, and click on Watermark. Click Custom Watermark and Picture Watermark, search for the desired image,
and click Insert. Set the desired setting and click OK.