Need all my devices to work as one
Can I get use my same Apple ID on all devices so I can access anything from any divice
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You can use the same Apple ID on all of your devices (and that is usually recommended). You can sync the devices by turning on the options (on iPhones & iPads) at Settings > [username] > iCloud > Photos, iCloud Mail, iCloud Drive, Contacts, Calendars, Notes, etc) and the similar options on a Mac at Apple menu > System Preferences > Apple ID > iCloud.
Also see information in Set up and use iCloud Photos - Apple Support
Set up iCloud Drive - Apple Support
Set up and use iCloud Contacts - Apple Support