Most of my letters were physical signatures and I didn’t have a problem. As long as they are authentic and the letters do not sound similar/templates you should be fine.
Also requesting @Francisca_Chiedu@Mide@May@ask4jubad@igortsk to confirm me one last time on this! (I’m nearing the submission window, so please requesting your help here! Thank you!)
Let me know if both or any of the below cases work okay:
Recommender copy-pasting the image of the signature into the doc + sharing the doc with me? (note that this doesn’t contain a “log file to prove the recommender + applicant are in different IP addresses”)
Recommender physically signing the doc (with ink) + sending scanned copy to me? (note that this isn’t on the company letterhead but does contain all other details of the recommended such as email, phone, LinkedIn etc.)