PDFArchiver

PDF Archiver is an application that allows you to organize your documents digitally. You can scan all incoming documents with PDF Archiver, and then you put the original paper documents in a folder, sorted by year.

PDF Archiver analyse the document locally and suggests tags and a document date. Afterwards, you can save your documents to your archive folder in iCloud Drive. Consequently, you can view these documents at any time from within PDF Archiver or in iCloud Drive.