Can I move files From finder To my iPad?

There are few ways to get documents onto an iPad from a Mac.

If you are using iCloud Drive for instance, you can copy or drag files to the iCloud Drive folder in Finder, and they will be available in the iCloud Drive or Files app on the iPad if its using the same Apple ID for iCloud as the Mac.

Read here for details:

iCloud - iCloud Drive - Apple

Alternatively you can use the File Sharing option in iTunes to transfer files to specific Apps on the iPad:

About File Sharing on iPhone, iPad, and iPod touch - Apple Support

Probably the easiest way to share files between Macs and iOS devices is AirDrop:

Use AirDrop to send content from your Mac - Apple Support

You can use iCloud our using iTunes (iTunes 11 for Windows: Transfer files between your computer and mobile apps should be the same for the Mac).