From recent files I clicked clear and all my files got deleted. How to recover on iPhone

I accidentally tapped “Clear” in the Recent Files section on my iPhone, and all my files disappeared. I’m not sure whether this only cleared the recent files list or actually deleted the files.

I then signed in to Adobe on the web and found some of my documents, which were probably saved in Adobe’s cloud storage. However, the rest are still missing. Where could they be, especially those that may have been stored locally on my iPhone?

Could you please explain in detail how to find and recover these missing or deleted files? Please include step-by-step instructions for checking Adobe Acrobat, the Files app, “On My iPhone,” iCloud Drive, the Recently Deleted folder, and any available backups.