[Mizza]

That first one looks like a parody of 'View of the World from 9th Avenue' but I don't know what Acius was!

https://en.wikipedia.org/wiki/View_of_the_World_from_9th_Ave...

[decryption]

I wish I knew what Acius was or is too!

[B1FF_PSUVM]

From a search for "acius mac": https://en.wikipedia.org/wiki/4th_Dimension_(software)

Software outfit founded by a French guy, as hinted by the drawing with Paris visible ...

(Those "view from ..." were plentiful at the time)