Can you please tell me the steps to go over document properties

I don't know why you can't find it there, but you can go to File > Properties.

Hello,

For Document properties, click this icon at the top of SolidWorks:

Then click this tab:

Kevin

EDIT:

You can also open this dialog by clicking these:

I don't believe there is a pulldown menu for Document Properties.

Here you got something

2017 SOLIDWORKS Help - Properties