Issues renewal subscription

Hello,  thanks for allowed me to write my questions regard PDF Acrobat Apps. Recently I subscribed  Acrobat Apps one month early my contract should be renewed September 9 2023. However I couldn't get access and combined files and send. I have no chance to solve the problem I haven't got any help . Today also I have the same issues anytime I tried to combined files and send the system asked me renew subscription I am sick and tired of this can anyone help me please fix it the problem thanks.