If you are using PDF Pack in Adobe Reader DC please do following:
1. Click "Open" in progress bar to open the converted PDF file in Reader on your desktop
2. From File > Save As
Or you can use our services at https://cloud.acrobat.com with your Adobe ID and password. After your file is converted to PDF from "Create PDF" do following:
1. Click "Download" button in progress bar at right top corner
2. Or hover your mouse pointer over the converted file thumbnails then click "Download" icon.
Please let me know if you have any questions.