SOCET SET® SUP format files cannot be added to ArcMap in Stereo Analyst for ArcGIS 2014.
ESRI ArcGIS 10.2 no longer supports SOCET SET® SUP files.
ESRI ArcGIS 10.2 no longer supports the adding of SOCET SET® SUP files directly to the map document using the Add Data command. However it is possible to work around this limitation by using either the legacy project importer or the Block File Image Pair manager both of which allow the selection of PRJ files as the imagery source. Alternatively, in IMAGINE Photogrammetry you may create a block file with a Mixed sensor model, then add your SUP files and save the block file. In Stereo Analyst for ArcGIS you will import this block file using Import Project or the Block File Image Pair Manager. To enable the Block File Image Pair manager go to Stereo Analyst for ArcGIS Options and under the Stereo Display tab select Block File Image Pair manager, then go to Stereo Pairs and double-click Auto Selection to launch Block File Image Pair Manager.