I see no issue with the vector file if downloaded and opened in Illustrator. The file can be exported as JPEG and the exported JPEG looks as expected. I will report the issue you are seeing. I know this isn't ideal for you, please let me know if your require additional assistance.
Hello, I tried it again, .ai and also jpeg, but this is what I get:
Are you downloading the file from the Adobe Stock site and then opening it in Illustrator or are you downloading from within Illustrator?