Adobe Acrobat and Reader official update containing the fix for this issue is now available. This update will be automatically pushed to all existing installations of Acrobat and Reader. If you want, you may also manually trigger the update by opening the application and going to Help > Check for Updates.
For more information, please refer Release notes of the latest release.
Please try it out and let us know your feedback. Thanks for your patience and support!
Neither option, reinstalling or deleting the plugin, is working. Knowing what my place of work pays for the licensing, and seeing how little Adobe is working to resolve this is *absurd.*
Note: AI design files to .pdf seem to be the most consistent in this issue. Other files (scans, word to .pdf) seem to behave appropriately.