No, if a taxpayer is filing their federal tax return on Form 1040-NR, they do not qualify to claim the recovery rebate credit.
From the 2021 1040-NR Instructions:
Line 30 - Reserved for Future Use
Leave line 30 blank. Do not follow the instructions in
Line 30 - Recovery Rebate Credit in the Instructions for
Form 1040. The recovery rebate credit cannot be
claimed by persons filing Form 1040-NR.
Additional Information: