Hi @Audi86,
OOTBly, it is impossible in SharePoint Online. All uploaded files needs approve in a library which enables content approval.
I would suggest you post your idea here: https://feedbackportal.microsoft.com/feedback/forum/06735c62-321c-ec11-b6e7-0022481f8472. Our product team actively monitors threads there and will take valuable ideas into consideration.
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