The last 2 documents are translated as:
SS-Leadership course IIa Berlin-Jilmersdorf, Kaiser Avenue 88
II W II Department 1
Tank Hunter
Personnel Possesion
Subject: Posting to course in the SS Tank Hunter (assault gun) school Janowitz.
Reference: Heavy SS-FHA inspection department 6 (Tank Troop) file number: 21/Ze/F. from the 1.11.1944
Special Distribution.
The following SS Leaders are posted to courses in the SS Tank Hunter (assault gun0 school Janowitz:
1.) To the company commanders course:

2.) To the platoon commanders course:
SS-Lieutenant d.R. Kuther Erwin 20.6.1905 from SS-Tank Hunter training & replacement battalion.
8 December 1944
All posted personnel have signed in.
For the correctness. ez. Juttner

SS-Major SS-General & General of the Armed SS