This is straight up nonsense, while anarchism and communism broadly share the same goals, they fundamentally oppose one another fundamentally (such as on DOTP, economy, power, etc.). There's an entire page of Marx & Engels texts attacking anarchism (which should indicate their compatibility), and I'd at least recommend reading The Poverty of Philosophy on the matter. There's also Lessons from the Counter-Revolution, Spain 1936 which isn't a critique of anarchism as a whole but does show how non-stalinist communists view anarchists in practice.

The entire second paragraph, though, completely misunderstands marxist theory. Too lazy to respond in detail myself rn, but Revolution Summed Up, specifically the 1917 part shows how Lenin and Bolsheviks were fully consistent with Marxism, and later parts make good arguments as to why counter-revolution took over (hint: it's not due to some anarchistic notion of "no power to the people").