Is it permissible to attain the reward of Hajj and Umrah if Allah Almighty is remembered after the Fajr prayer while being occupied with sewing until sunrise and performing two rak'ahs?

There is no evidence that a woman who prays Fajr and then sits remembering Allah until the sun rises, and then prays two rak'ahs, will have the reward of a Hajj and Umrah written for her. However, it is hoped that she will attain that. A woman's engagement in sewing while remembering Allah Almighty does not negate the attainment of reward.