Are IR LEDs placed under the same category as lasers?
No, IR LEDs (nor any LED for that matter) are not classified as a lasers.  The only diodes that are considered lasers are laser diodes.
IEC 60825-1 had previously included LEDs of any type, thus not necessarily classifying them as lasers, but making them the same as lasers in regards to that safety standard.  This was done as a temporary measure until a new spec that was generalized to LEDs and other &quot;lamp&quot; light sources could be finished.
With the removal of IEC 62471:2006, LEDs were removed from the IEC 60825-1 standard, which once again only applies to actual laser sources.  You do not need to worry about anything in IEC 60825-1 for IR LEDs, or any other non-laser LED.  You only need to worry about IEC 62471.  I think whoever wrote those datasheets is unaware of this, or is simply trying to cover every potential vector to some kind of liability litigation.  IEC 62471 explicitly excludes all lasers from the standard, so a single device cannot fall under both specifications, they are mutually exclusive.  Simply put, those LED datasheets are incorrect.
Vishay has a good document on this, including a nice table on the very first page that shows which standards what photon emitting devices do and do not fall under.
It should be noted that IR LEDs have their own specific requirements in the IEC 62471 standard.
From the Vishay pdf:

IEC 62471 AND EU DIRECTIVE 2006/25/EC
For all applications the standard IEC 62471 is applicable.
This standard for incoherent sources replaces for LEDs the
laser standard IEC DIN EN 60825-1.
In case of IR - Emitters the dominating limit is the
cornea/lens risk in the wavelength range from 780 nm to
3000 nm. This limits the irradiance to Ee = 100 W/m2 which
is expressed as intensity a value of Ie = 4 W/sr with the
measurement condition of that standard with 0.2 m distance
in mind (Ie = Ee x r2).
Evaluating the other limiting conditions as the thermal retinal
risk and blue light hazard result in not limiting higher values
for wavelengths λ &gt; 850 nm and therefore are not to be
taken into account. Only for λ = 830 nm a little reduction to
Ie = 3.77 W/sr is given by the thermal risk.