If you are using the 2019.010.20100 build, you have access to a suite of features that remain relevant today:
Adobe has deactivated the activation servers for some older Creative Suite products. While 2019 versions often still work, you may struggle to install on a new machine if you don't have an offline activation token or a volume license serial number. Adobe Acrobat Pro DC 2019.010.20100 Ml
For users requiring the latest security patches and cloud-integrated features, maintaining the latest build in the Continuous track—such as following the update path from this 2019 version—is recommended. Adobe Acrobat DC Product Comparison If you are using the 2019
Users can modify text and images directly within a PDF, much like using a word processor. This version allows for spell-checking, adding headers/footers, and reflowing text across pages. Adobe Acrobat DC Product Comparison Users can modify
Windows users on the Continuous subscription track.