Where do I get character sheets for Dark Heresy or Rogue Trader at?

I googled and found these:

https://images-cdn.fantasyflightgames.com/ffg_content/Dark-Heresy-2nd/support/Dark Heresy PC Sheet.pdf

https://images-cdn.fantasyflightgames.com/ffg_content/rogue-trader/support/PDF/Rogue Trader Character Sheet (web quality).pdf

Dark Heresy forums are here: https://community.fantasyflightgames.com/forum/77-dark-heresy/

And Rogue Trader here: https://community.fantasyflightgames.com/forum/115-rogue-trader/

Your question already got answered by k7e9 , but you if have any others you might get more responses there.