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Better luck next time. 🙂
Indeed, all lack sharp focus. Zoom in to at least 100% and you will be able to confirm that easily. In addition, image #1 is a black and white conversion which Adobe Stock does not accept. Image #2 is pretty. I like the way you composed it; however in addition to soft focus, the foreground is underexposed and seems to contain noise. Image #3 is also soft, underexposed and noisy. Image #4 is properly exposed and has nice color, but I can't find any leaves in focus. This could be subject motion, or perhaps you just didn't lock focus before shooting.
Thanks for the feedback. I agree they aren't as sharp as they should be.