There two document and a video about the max AOA of the F-14:
1. AIAA-1983-1051 Variable sweep wing design
The max AOA in this file is 77 degrees.
https://youtu.be/Ci_Y_PLUnuI?t=375
https://youtu.be/Ci_Y_PLUnuI?t=119
2.AIAA-81-2505 Flight test experience with high-alpha control system techniques on the F-14 airplane
AOA of 74 degrees in clean configuration, and AOA of 62 degrees external stores configuartion.
could the maximum angle of attack exceed 70 degrees after the completion of the FM?