In the last tomb-raider-2013, I reached the end of the game and ran out of enemies to finish off the last few single-player achievements. Are there any "missable" achievements in Rise of the Tomb Raider, such that I would need to restart the game to attempt it again?
At least Paying Respects is missable http://stevivor.com/2015/11/rise-of-the-tomb-raider-paying-respects-achievement-guide/ as well as playing the game on Survivor.
Not sure if you can repeat the intro tomb of Syria either as I'm only 3 hours in. I restarted though since I missed some.