I've Same issues, I enroll using developer app and its passed 10 days i sent support mail i got nothing, as i seen that you created this post at 26 feb, its almost a month can you access the account now or its still under proccessing ?

Hi @Yehor Do you access Apple Developer account now, since i notice you did it 3rd Feb? I have some issue, it passed 100 days since i done the payment but nothing is processed. the enrollment button on developer app is disable and i done payment, sent support email but not receive any support from apple. can you please acknowledge that now its working for you? or it still under process ?