Do Scav Runs Count Towards Tasks?

One of the drawbacks of playing as a Scav is that you won't be able to earn experience for your main character. You also won't be able to complete any in-game tasks either.

Does scav run count as found in raid?

Items that are placed in a secured container get the status " found in raid” only when you exfil the location with the status “Survived” (“Ran through” is not counted).

Do Kills as a scav count?

The most important thing about playing as Scav is that if you get killed in the raid, you will not lose anything from your main character's possessions, and if you survive, you can add whatever you looted to your stash. ... Your Scav character is levelled up separately from your main PMC character.