Delays are common and you have to see where your application is being delayed. All application go through the following stages as per the IRPA:
R10
Criminality
Medicals
Eligibility
Security
Some applications are stuck at eligibility, awaiting an officer's final determination. Accra VO is one where such delays happen. Apart from this, there can also be delays in security. To read more on security and why files are delayed,
To read your GCMS notes, you have to see page 2 where the assessments are and the last 5-7 pages, where the officer's notes are. For Most applicant's this will be sufficient to gauge where your application is. If you want to go into details, and see how the calculations were made, the incoming and outgoing correspondence and document, they are available in the middle pages.
Hope this helps!