yes , you can apply for i485 j and it will not effect your application process .

H A, thank you for your response. please do you have idea of what document I will need from employer?

@lly leaks you will need the tax papers and prove of employment ask your lawyer to confirm

@lly leaks From old employer you’ll need copy of I-140 Filing Documents (so you know the job description, Approved I-140 copy & PERM Certificate copy)