LexisNexis has an online book, LAWSA, Volume 14(1), Land, 2nd edition, with a chapter on land reform. In the LexisNexis database, choose Library, then Research Areas, then open up LAWSA and scroll down to Land.
Acts are the national Laws, and Regulations are secondary or subsidiary laws published in terms of the Acts.
The following acts with regulations are available in print or in the LexisNexis or Netlaw databases or in the University of Pretoria's open access Laws of South Africa: Consolidated Legislation.
Abolition of Racially Based Land Measures Act No. 108 of 1991
Development Facilitation Act No. 67 of 1995
Extension of Security of Tenure Act 62 of 1997
Interim Protection of Informal Land Rights Act No. 31 of 1996
Land Reform (Labour Tenants) Act No. 3 of 1996
Land Reform: Provision of Land and Assistance Act 126 of 1993
Prevention of Illegal Eviction from and Unlawful Occupation of Land 19 of 1998
Restitution of Land Rights Act No. 22 of 1994
Upgrading of Land Tenure Rights Act No. 112 of 1991
Bills are draft Acts. Bills are the format in which laws are introduced in Parliament. They are debated in Parliament, then passed or rejected. When passed, Bills become Acts.
You may read the discussions in Parliament in the volumes of Debates (Hansard) and the proceedings of the Parliamentary Committees on the Parliamentary Monitoring Group's website.