How did you find out that they missed sending the document?In my case it showed Your Action Is Required and was ignoring it thinking will receive notification if any update in my account but later found CIC missed to upload request letter and now I am here waiting for medical request for last 4 months when lot of applicants are receiving PPR !!! Learned my lesson and should not ignore if anything doesn’t look right
Each case is different. There are a lot of applicants still in the sponsor approval process. The pool for this forum is not even 1000 out of 27000.