On macOS Catalina, there may be issues in activating Captivate (2019 release). While activating Captivate, the following error message displays:

How to access the System Library
To access the System Library,
Go to Finder, and from the “Go” menu, navigate down to “Go to Folder” and type "~/library/Application Support/Adobe".
How to assign permissions to users and groups on Mac OS
- Select a Folder/File
- Choose File -> Get Info. Go to Finderand from the “Go” menu, navigate down to “Go to Folder” and type “~/library/Application Support/Adobe”
- Under Sharing and Permissions, click the lock icon to unlock it. Go to Finder and from the “Go” menu, navigate down to “Go to Folder” and type “~/library/Application Support/Adobe”
- Enter admin. name and password
- Click a user or group in the Name column, then choose a privilege setting from the pop-up menu
To fix the issue, follow the steps below:
- In the library (~/library/Application Support/Adobe), rename the folder OOBE.
- In the system library (/library/Application Support/ Adobe), rename the folder SLStore.
- In the system library (/library/Application Support/ Adobe), delete the files in the folder SLCache.
- Ensure that you have full permission to the following Adobe folders as mentioned below:
- Give full permissions to Adobe Captivate 2019 in application.
- Click “GO” from the top and select go to folder and type “~/Library”, you will be directed to the user library.
- In Application support, give full permission to the folder Adobe.
- Similarly go to /Library and you will be directed to the system library.
- In Application support, give full permission to the folder Adobe for all users.
For more details on changing permissions for files, folders or disks on Mac, refer to the following document- https://support.apple.com/en-in/guide/mac-help/mchlp1203/mac
You can also sign-out from Creative Cloud Desktop application and then try to activate Captivate.
After following the steps above, if the issue is still not fixed, contact Adobe Captivate support.