I lost all my notes because I signed out of my iCloud and it wasn’t backed up can I get them back ?

'If you're missing notes on your iPhone, iPad, or iPod touch' click here --> https://support.apple.com/HT209254

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I lost my billing that I do in pages. Went to save it, didn't have time, it just went away. I am working on an MacAir. Anything I

can do to get it back?