In the new Files tab at the bottom of each Work Order detail page, you will see all files and links added to the Work Order. The Internal Files/Links are those that you've added to the Work Order but have chosen not to share with your Vendor.
For Files and Links that are internal, you will see a Share icon. Press that Share icon, and you will be prompted to confirm that you would like the File/Link to be shared. Press Confirm, and the file will be shared. Again, note that if you choose to share a File or Link with your Vendor, then you will not be able to remove that File/Link from your Vendor’s Work Order page (you will only be able to remove it from your side).
If you change your mind and don’t want to share the File/Link, simply close the pop-up.