这是单位VISA office的回复,似乎是不影响:
If you have not been recommended for a waiver or receive the waiver approval
notice, then you will be eligible to extend your J1 status.
The I-140 is a separate application and should not affect your J1 visa
status since you are not filing your adjustment of status (Form I-485)
application yet with USCIS. To be eligible to file for adjustment, you must
receive the waiver approval notice.