DEVONthink3 Services not visible in MacOS, although working

Hi and good day,
The installed DEVONthink3 Services are not visible in MacOS, although they are there and working.

Any idea why?

Here are the Services in Sys-Preferences:


with best regards,
Omar K N
Stockholm, Sweden

Services are context-related and dependent on what the current application is reporting. They aren’t present all the time. For example, if you select text in TextEdit, you will see some DEVONthink related services.