Same as for any ferrite bead application. Relevant reading:
USB 2.0 VBUS Filter
Ferrite beads for high currents
Switching PSU and residual noise on the rails
Current consumption varies from 10 to 605 mA depending on rail and activity (datasheet p.70).
Typical ferrite beads saturate in the 20-100 mA range, so would be contraindicated for some of these. Note a bead's current rating is meaningless: it is ampacity only, a thermal figure, not related to electrical characteristics (or anything beyond DCR at least).
How to find saturation? Look for the characteristic sheet. Some manufacturers don't provide them at all; others tuck them away in proprietary databases. Yes, it's a pain in the ass.
Note that type 2 ceramics are the same way (for the same general reason, actually). The voltage rating is irrelevant to electrical characteristics; often a part is significantly saturated (-30%, say) at a tiny fraction of its rated voltage.
For this reason, using inductors is often preferable, and mandatory at high currents, and for low cutoff frequencies (read: requires large inductances). The value of a ferrite bead is its lossiness, saving on a component; this must be substituted with an R+C or R||L network in the filter circuit. PDN (power distribution network) analysis is probably a bit out of scope here in this question, but are the keywords to look at for further reading. Typically a lossy "bulk" capacitor provides the damping in such a case.
They also show a ferrite bead in Fig. 4-2 (checklist p.5). As this is shown shorted out by a capacitor, I suspect they intend these as placement options, with neither, or just one, used in the end.