Looking on the internet deeply has found these results:

apprise of is the most popular phrase on the web.

apprise about 128,800 results on the web	apprise of 1651,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I will apprise her, and we'll come back and talk to you about how to move forward.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

apprise about

128,800 results on the web

apprise of

1651,000 results on the web

More popular!

I will apprise her, and we'll come back and talk to you about how to move forward.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.